Features and Specifications: The AMP120 is a high performance 2-channel power amp that's big on features but low on price. This compact amp is perfect for powering two pairs of 8-ohm speakers and you can also use it as a single-zone, rear channel amp for Dolby Surround Sound systems, or to bump up the power of your OSD outdoor speakers. The AMP120 also features automatic source switching. This is a neat feature that lets you connect dual sources to the amp (i.e., your iPod and a DVD player). The sources do not play at the same time (that's a function of multi-channel amps); however, the AMP120 will automatically switch sources. So if you have your iPod connected to input 1, then decide you want to watch a movie, when the DVD player is turned on, the AMP120 will automatically switch to that source.
Connecting Your iPod is Easy!
A great feature of the AMP120 is the ability to connect your iPod or other portable music device. The AMP 120 includes two RCA signal level inputs marked as red for right and white for left. All you need to do is purchase our inexpensive RCA to mini cable (see RCA audio cables under the audio/video cables tab). The mini 3.5 connector is plugged into the headphone output of your iPod then the RCAs are connected to one of the inputs of the AMP120. It’s that easy!
Features
OSD’s signature “built like a brick” construction
Complete custom installer feature set
50 watts RMS per channel power amplifier
Bridgeable outputs for 150 watts RMS
2 stereo inputs with automatic priority override
1 auxiliary output
A, B, or A+B speaker selector switches
Front-panel mounted volume and balance knobs
Manual or signal-sensing power-on
5-way speaker wire binding posts for bare wire
or banana plugs
- 50 watts RMS per channel into 8 ohm loads with .02% THD+N
- 60 watts RMS per channel into 4 ohm loads with .02% THD+N
- Maximum 8 ohm stereo output power at 1% THD+N: 60W
- Maximum 4 ohm stereo output power at 1% THD+N: 75W
- Maximum 8 ohm Bridged-Mono output at 1% THD+N: 160W
- Input needed to reach full output: 1.4v
- Frequency Response: (20Hz-20kHz)+1dB, -0.5dB; (5Hz-65kHz)+/-3dB
- Signal to Noise Ratio: 107dB (A-Weighted)
- Dimensions: 2.9"H x 16.5"W x 9.25"D
- Weight: 9.6 lbs
- 2-year warranty
- Power Consumption 500 Watts (all channels driven)
- Dimensions 2.9 x 16.5 x 9.25" (73.66 x 419 x 235mm)
- Weight 9.6 lb (4.35 kg)
Questions and Answers:  By Michael from Los Angeles on January 14, 2013 I have an outdoor area with 12 speakers (Tru Audio) and a Earthquake sub woofer. 4 of the speakers are on a separate volume control. I have a Sonos bridge. The current amp that I'm using is: Knoll systems MR 1250F.
I'm getting decent sound but was told if I upgraded the amp, I could get better sound. Suggestions? By Customer Service - Q&A on January 16, 2013Answer:Hi Michael,
If you supply a diagram of your wiring, we can come up with something that utilizes your Knoll multi- channel amplifier. Our OSD multi channel amplifier allows you to bridge adjacent channels allowing you to double up the power. The Knoll Model features a fan so you can connect two pair of speakers to two channels. You might want to check out the our OSD AMP200 as an alternative. Good luck!
TL/MA - 1538By Dan D from Chicago, IL on March 7, 2012 I'm doing a kitchen remodel and thinking of using this amp to drive a pair of OSD in-wall speakers. The audio source will be an Apple AirPort Express w/AirPlay hidden w/the amp in a roomy cabinet. I see in the product photos that this amp has a rear switch for "auto on," but it is not mentioned in the specs/description. Does the amp "time out" and turn off, and wake when it senses a signal? My subwoofer in another room does this. This would be great as I would rarely need to get at it anticipating periods of non-use. Please fill me in. Thx! I love my prev purchases from OSD btw! By Customer Service - Q&A on March 7, 2012Answer:Dan
Thats great to hear! Thanks for shopping with us. The AMP120 does have the Auto Off.
CLBy Customer Service - Q&A on March 7, 2012Answer:Hi Dan:
If you are using a single input (source) use input number 2. The auto sensing works best plus you have dedicated output associated with the input 2 in case you want to add a powered sub.
TLBy Customer Service - Q&A on March 7, 2012Answer:Dan
Thats great to hear! Thanks for shopping with us. The AMP120 does have the Auto Off.
CLBy Philip Smith from fayetteville,ga on May 3, 2012 will this AMP 120 be suffeciant to power two small patio speakers (4 inch cone woffer& 1inch silk dome twetter)and also your OSD-WR-150 outdoor package, thru a FM tuner. Thanks, PHS By Customer Service - Q&A on May 3, 2012Answer:Phillip,
Hooking the 4 inch pair you have to the am120 will work out great. The wr150's are already powered so that wont be a problem.
CLBy Customer Service - Q&A on May 4, 2012Answer:Hi Phillip,
The FM tuner should connect to source Input #2 of the AMP120 and the wireless transmitter should connect to Output #2 of the AMP120. The internal amplifier will be ideal for your patio speakers while the Output #2 plays exactly what you have connected to Input #2. You can play whatever you have connected to Input #2 which could be an FM Tuner, iPod or even a laptop computer with internet access to streaming content.
TL
By James from Indianapolis, IN on March 10, 2012 I have a pair of Polkaudio Atrium 65SDi outdoor speakers (Recommended Amplifier Power is 10-125W continuous) that I would like to hook up beneath the 2nd story eaves as "Zone 3" using my Denon AVR3312CI, which allows for 3 zones of music. The problem is that I need an extermal amplifier to power up Zone 3. Five of the Denon's 7 channels are dedicated to a home theatre and 2 are dedicated to Zone 2 stereo, leaving no more channels for Zone 3.
Please advise how much power the AMP120 Pro would drive to my Zone 3 Polk 65SDi speaker pair. Conversely, could the AMP120 Pro damage these speakers by driving too much power? Would you recommend another amplifier? By Customer Service - Q&A on March 11, 2012Answer:Hi James:
The Amp120 would output around 50 watts a channel full output as long as you connect your Polk speakers as a single right and left speaker connecting only one voice coil (each speakers has an option to connect either a single or dual input). In the single input you connect one for right and the second speaker for left so you have a stereo pair. In order to take advantage of the Dual Voice coil feature of the speaker (a better option for your application) we would recommend purchasing the AMP200 (a true High Current amplifier). You would then connect the Speaker A outputs (right and left +/-) from the AMP200 to one of the POLK speakers (make sure to flip the switch saying dual stero input) Then connect Speaker B (R&L. +/-) to the second speaker. This will create a 4 ohm load on the amplifier while increasing your output potential to 125 watts per channel. This is a true audiphile amplifier featuring a Heavy Duty Toraidal Power Supply, Ample internal Heatsink and totally discrete output devices. That is why it weights almost three times more than the AMP120 and costs almost three timesas much. It also matches up better to you speakers. These will become stereo speakers which will provide better coverage in your outdoor enviroment. I hope that helps, thank you for considering OSD Audio.
TL
TLBy Ross from Pagosa Springs, Colorado on March 12, 2012 Will this amp drive five zones (indoor) with pairs of ICE610 ceiling speakers in each zone and using your ISS6 speaker selector along with your VMS100 slide control volume controller in 4 of the 5 zones? If not please make sugestion. By Customer Service - Q&A on March 12, 2012Answer:Hi Ross,
The AMP120 would work but might not have the power you need. The AMP200 with the ISS6 would work best. You should use a fifth volume control for zone 5. Use a volume control for each zone to make the impedance match properly. Then, make sure to keep the impedance protection off on the ISS6.
CL / MABy Steve Trotsky from Sunapee, NH on January 21, 2013 I purchased the AMP120 last year to drive two small pairs of 8 ohm outdoor speakers. i have also attached two of your volume controls (OVC100) , one to each pair. i am driving them as speaker A + B and really do not get enough volume. i fear that I may have purchased the wrong power amp. but rather than just discard the AMP120, is there a way that i can purchase another amp and somehow wire them together to increase the power output? ( i..e 2XAMP120's linked??) Would such a configuration give me the power i need? By Customer Service - Q&A on January 21, 2013Answer:HI Steve,
Your best best is to purchase a second AMP120 and connect your first pair of speakers to Speaker A of the first amplifier. Make sure to use Line 2 input for your source. Then connect the second AMP120 to line 2 output from the first AMP120 using another Stereo RCA patch cord. Then connect your second pair of speakers to Speaker A output of the second Amplifier. This leaves you with a single source connected to the first amp and a daisy chain connection to the second amp. If you wanted to connect a second source to both amps then you would need to use two RCA Y adapters. Let's say you wanted to attach a iPod to your system as a second source; you need a 3.5mm to dual male RCA adapter cable to connect to your headphone output of the iPod. You need the two Y adapters (single female RCA to dual male RCA) to split the signal between the two amplifiers connecting to both Line 1 input of each amp. You will notice when you press play on the iPod it will come on instantly since line 1 takes priority. If you have only one source and plan to keep it that way, go with the first set of instructions utilizing line 2 input and line 2 output to the second amp.
TL/MA 1569
TL - 1569By AP from Indianapolis, IN on March 22, 2012 Can I connect my Ipod directly to this amp? If so, how?
AP By Customer Service - Q&A on March 22, 2012Answer:Hi AP,
The Amp120 features two RCA signal level inputs which are dual female RCA connectors for both Input #1 and Input #2. Marked as red for right and white for left. Input #1 takes priority when both are connected and active. When you shut off the source for input #1, input #2 plays. You have two options for connecting your iPod directly to one of the two inputs. The first option you will need is a mini 3.5mm to RCA adaptor cable (see RCA audio cables under the audio/video cables tab). The mini 3.5 connector is plugged into the headphone output of your iPod then the RCA's are connected to one of the inputs of the AMP120. A second option would include adding an iPod docking station such as the Sherwood DS-10 (Go to category/whole- house audio systems/iPort In-Wall Docking Station for iPod/DS-10). This connects to the AMP120 with a standard RCA to RCA patch cord (R&L stereo). You plug your iPod into the dock and not only does it charge the iPod but it also allows you to control the iPod functions with the remote control supplied with the DS-10. When connecting just a single input to the AMP120, use input #2, which features a dedicated pre-amp out that allows you to add a powered subwoofer like our P10. Thank you for considering OSD products.
TL/MA
By Randy Jolet from New Iberia, LA. on May 18, 2012 I am looking for something to power 4- BOSE 151 SE Environmental Speakers at the same time. Is this the right amp to purchase. By Customer Service - Q&A on May 18, 2012Answer:Randy,
The AMP120 is more for one pair at a time. Driving multiple pairs you are better off with a high current amplifier like the AMP200. (Note: Speakers should be 8ohm stable)
CLBy Customer Service - Q&A on May 18, 2012Answer:Hi Randy,
The AMP120 will not work for your application. The BOSE 151 SE are 4-ohm speakers and wiring them in series to create an 8 ohm setting for Speaker A and Speaker B on the AMP120 will not give you enough output. Our OSD AMP200 would be a better choice since it is a High Current Amplifier that has 2 ohm rating. When you connect 4-ohm speakers, the current demand will increase and the output will almost double. The AMP200 features a heavy-duty Power Supply, discrete components and ample internal heat sink, which are all needed to meet the low impedance loads. You can also add an OVC300 Impedance Matching outdoor volume control to connect both speakers through one of the speaker outputs of the AMP200. Please note that when using the OVS300, you must set the impedance switch to 1/2x and play the system for a 1/2 hour. Check the amplifier to see if the amp is hot to the touch. If it is, try changing the impedance setting to 4X on the OVC300.
TL/MA
By Cole from North Carolina on November 17, 2012 I'm trying to set up a six-pair, dual-source speaker system (i.e. two zone playing different sources simultaneously) for a restaurant installation and I'm curious if I could get away with two AMP120's and an SSVC6 (which I know you don't sell anymore). I don't have the speakers picked out, but I'm looking at the ICE840's. Can the 120's handle that, or do I have to jump to the 200? Or the 300? By Customer Service - Q&A on November 20, 2012Answer:Hi Cole:
Can you send us a diagram of your layout; maybe even a few digital pictures. Without knowing your actual layout I would suggest two options. One would be to go with external volume controls in one for each zone and use our DSM6 Speaker Selector featuring Dual Source. The second option would be to use our SSVC4 with internal Volume Controls and double up on two of the six zones so you have two zones with a single pair of speakers and two zones with two pair of speakers. I would also recommend the AMP200 over the AMP120. The AMP200 is a high Current Amplifier that is ideal for driving multiple speakers/zones with excellent audiophile sound quality. Please feel free to contact me at tim@osdaudio.com to discuss further. Don't forget the diagram and photos.
TL 1387By Josh Ritz from North Port, Florida on November 7, 2011 Does this have a Aux and do you need to run wires from the speakers to the amplifer? Does it play the radio? I am interested in buying 6 speakers and cd player or something I can plug my ipod into. Thanks. Do you guys install, if so how much? By Customer Service - Q&A on November 8, 2011Answer:The AMP120 has dual inputs with automatic source switching. It is not wireless, so you must run speaker wire from the Amp to the speakers. If you are planning on connecting up to six pairs, we recommend adding a speaker selector like our ISS6 or DSSM6. This will take care of the impedance matching needed to operate the amplifier safely. You can also add volume controls in each room, which would be wired between the speakers and speaker selector (located near the AMP120). You can plug both your iPod and a CD player into the AMP120; however, you will need a 3.5mm to RCA adapter cable to connect the iPod to input #1 of the AMP120. You can then add a second source, either a CD player or perhaps a laptop where you can select from your iTunes library or a number of streaming on-line radio stations. This would be connected to Input #2. Then whatever you have connected to Input #1 has priority over Input #2 while it is active. Sorry we do not install but we do feature a number of Do It Yourself videos on our site regarding our in-ceiling and in-wall speaker installations. We also offer technical support at 888 779-4968.
TL/MAProduct Reviews:
Home Audio Amplifier OSD-AMP120
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4.5 Stars based on 20 Review(s) |
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osd am120
April 15, 2013
This amp produces adequate sound for the price and use. Build quality does not look up to Pioneer, Harmon Kardon etc but you get what you pay for. Happy with it so far.
Pros:Sound quality, ease of use, setup.
Cons: Build quality some what suspect.
Best Uses: Where its not going to be used for parties!
Robert
Bumf*ck, usa
4.5 Stars
I would recommend this item to a friend.
So close to being perfect
March 29, 2013
I'm kind of bummed that while there are two speaker pairs (A&B), and the amp is bridgeable you can only do mono bridging. You also can't power two pair of speakers together it has to be one at a time with the same source. it makes the second terminal pretty useless unless you just want to compare speakers.
I like the auto switching. It works pretty well. I have an fm tuner connected to the secondary input and an apple airport express connected to the primary input. Everything gets housed in a storage closet with a wall mounted volume control being the only fixed control in the room. I run my whole house audio over an FM transmitter so what ever im broadcasting automatically appears when i turn up the volume. When I want pandora or some thing from my iPod I send wirelessly with airplay and the amp senses the audio and switches over in about 2 seconds.
Im very happy and even my girlfriend can use the system.
Pros:auto source selection
Cons:limited power and useless B speaker terminals
Best Uses:a low watt in-wall subwoofer amp or a hidden amplifier for a two source audio system.
Danoli
Texas
4.5 Stars
I would recommend this item to a friend.
Crisp & simple
March 21, 2013
Clean sound easy hook up...works great for outdoor 2 station set up
Pros:Clean with above average power
Cons:No remote control
Javier
Ventura CA
4.5 Stars
I would recommend this item to a friend.
Great value
March 19, 2013
Works great i jist don't like the speaker connection to small
jim
brick NJ
4.5 Stars
I would recommend this item to a friend.
Great Product
January 13, 2013
I bought the amp 120 about two weeks ago and I was a
little nervous of whether or not it would work how i hoped it
would. With this amp I am powering eight 15 watt 4 ohm speakers
wired in series to be 8 ohms. I run both A and B at the same time
and it works just fantastic.All channels are driven. The room i
have it in is about 200 square feet. The amp handles it very it
well and drives those speakers to the max. This is not the ideal
setup as i could not afford a multi channel amp. But with some
clever thinking and a great amplifier I am completely satisfied.
Anyone looking for an inexpensive amp with the performance of a
high end amplifier should buy this product. very happy with the
results I plan to purchase a powered subwoofer from OSD very
soon.
Pros:Great Sound Quality, Easy To Set Up, Good Power Output
Best Uses:Home Theater, Smaller Rooms, Basic Systems
Wilmont K
Cheyenne, Wyoming
4.5 Stars
I would recommend this item to a friend.
Great to power my patio speakers.
December 25, 2012
Great to find this website and product. I see myself
buying more with other projects on my mind. The amp hooked up easy
and quick. It gave me the power I need for my patio speakers from
my home theater system.
Pros:Accurate Controls, Easy To Set Up, Good Power Output
Best Uses:Multiple Rooms / Whole
House
Atlanta Guy
Atlanta, GA
4.5 Stars
I would recommend this item to a friend.
Brilliantly minimalist!
December 23, 2012
I own a gym. I needed an integrated amp that was dead
simple to use for the various aerobics instructors that needed a
music system that anyone could figure out in a minute. This one was
perfect. On/off, volume. The only thing that would have made it
better would be an iPod dock, instead of a cable. The power is
enough for my needs.
Pros:Easy To Set Up, Great Sound Quality
Best Uses:Basic Systems
Zelig
Saltspring Island, British Columbia
4.5 Stars
I would recommend this item to a friend.
Great Sound, but...
December 18, 2012
I am using this amp to power living room and family room
speakers. I have an Ipod dock connected directly to the amp, and I
plan to daisy chain to a second amp for our 4 patio speakers now
that I've tested it out. Setup was easy as expected. Sound is
great, although I'm only using as daily background music so in
fairness I haven't done an in depth analysis of the sound quality.
My only complaint is that when trying to use the Auto On / Off
feature, the LED indicator is always red, so you have no way to
tell when it is in Off/Standby. These amps could really use an
Orange or Yellow light to indicate standby and take the guessing or
wondering out of it. Everything else is great.
Pros:Good Power Output, Great Sound Quality, Easy To Set Up
Cons:Auto On Off Indication
Best Uses:Multiple Rooms / Whole
House
Matt
Texas
4.5 Stars
I would recommend this item to a friend.
Nice little amp
September 18, 2012
Use this amp for running a set of outdoor speaker and in
wall bedroom speakers. Use TV output and iPod (need adapter)to play
music on deck and TV in bedroom. Nice how the amp detects input and
I like the handy A/B switch. I looked a long time for something
just this size and with these features. Cost was lower than I
expected. Only things i would've liked would be Bass/treble control
and a remote
Pros:Easy To Set Up, Small Form Factor, Good Power Output
Cons:Confusing / Bad Remote
Control
Best Uses:Multiple Rooms / Whole
House
TimD
Franktown, CO
4.5 Stars
I would recommend this item to a friend.
Great value, great patio sound
July 25, 2012
I have an Apple Mac Mini that I use as my media center.
The media runs over my network to Apple TVs and Airport Expresses.
The Airports hang off the back of these amps, and the auto-sensing
feature grabs the signal/turns on when i send music their way. I
control the media and volume using the Remote app on my iPhone.
These amps power outdoor speakers on my back and side patios. The
sound is great, and they are PERFECT for my setup!
Pros:Auto-sensing inputs, Easy To Set Up, Great Sound Quality, Good Power Output
Cons:none so far
Best Uses:Smaller Rooms, Patio speakers, Home Theater, Multiple Rooms / Whole
House, Basic Systems
Strattim
Silicon Valley
4.5 Stars
I would recommend this item to a friend.
Great product
December 14, 2011
I use this amp to power speakers outside my home. I have
a computer hooked up to the amp via an rca plugs, and I can play
mp3s, sirens, etc from any web based device. The amp works great
and so do their speakers. Little worried about the brand but its
awesome.
Pros:Easy to use loud
Cons:None
Best Uses:Used for outdoor security
Kidtangerine
Memphis TN
4.5 Stars
I would recommend this item to a friend.
Almost a perfect product
October 3, 2011
Used with Logitech Squeezeboxes for multi room with local
source override. Everything works perfect except the Auto Power On
turns off during quiet passages of music. very annoying. You have
to turn it quite loud for it to stay on which means you cannot use
it for soft background music.
Pros:Easy To Setup, Very well made and solid, Good Power Output, Great Sound Quality
Cons:Buttons could be better, Auto power needs work
Best Uses:Multiple Rooms / Whole
House
DJ Kooljack (Chris)
Sydney, Australia
4.5 Stars
I would recommend this item to a friend.
Great Value
August 22, 2011
Used these to power seperate zones with 4 to 6 speakers
for Sonos ZP90 zone players. They work great.
Pros:Energy Efficient, Good Power Output, Easy To Setup, Great Sound Quality
GLSFBG
New York, Metro
4.5 Stars
I would recommend this item to a friend.
Great Little Amp for the price
August 2, 2011
I am using the amp to power my deck speakers. I have
placed the amp in a rack system with other audio components. When
running for extended periods of time (6-8 hrs) I did notice it was
geting a little hot, yet it still performed well.
Pros:Energy Efficient, Easy To Setup, Good Power Output, Accurate Controls, Great Sound Quality
Cons:Runs Hot
Tony P.
South Jersey
4.5 Stars
I would recommend this item to a friend.
Fantastic quality.....love the features
July 25, 2011
Works perfectly for whole house audio. The auto on/off
feature is fantastic and allows me to leave the amp running all the
time. I feed the unit with an Airport Express and have both inside
and outdoor speakers. Nice clean performance .
Pros:Great Sound Quality, Love the auto onoff, Good Power Output, Easy To Setup
Cons:Needs a remote
Best Uses:Multiple Rooms / Whole
House
Tnjet
Chicago
4.5 Stars
I would recommend this item to a friend.
Great prices and great ...
April 20, 2011
Great prices and great product, bought from them before
and will again later. they have a wide variety of audio and home
theater components priced extremely well. do not hesitate to buy
from this store
Anonymous
Undisclosed
4.5 Stars
Great products, great ...
December 29, 2010
Great products, great customer service and incredibly
fast order processing times.
Anonymous
Undisclosed
4.5 Stars
Found what I wanted at ...
December 17, 2010
Found what I wanted at decent price. Order was shipped
promptly and received in perfect condition. I will certainly look
to Outdoor Speaker Depot again for future needs.
Anonymous
Undisclosed
4.5 Stars
Shopping at Outdoor ...
November 29, 2010
Shopping at Outdoor Speaker Depot was quick and easy.
Many online stores are cumbersome and too busy. OSD was easy to
navigate and finding the products I was looking for came easy. The
price was the lowest I found while shopping online. This site can
be trusted and delivered accurately and timely. I will shop and
purchase from Outdoor Speaker Depot again in the near
future.
Anonymous
Undisclosed
4.5 Stars
Need a seperate amp to ...
September 24, 2010
Need a seperate amp to power my outdoor speakers, this
amp120 perfectly fit the job, it is compact size, very good sound
and nice build quality. Highly recommend for seperate speaker
zone.
Josh
Anaheim, CA
4.5 Stars
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