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Home / Product Category / Amplifiers / 2-Channel Stereo Amplifiers / 25W Outdoor Marine Amp/Receiver OSD-MA2

25W Outdoor Marine Amp/Receiver OSD-MA2

Product code: OSD-MA2

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OSD Price: $77.00
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Features & Specifications

The OSD MA2 outdoor/marine amplifier is a great solution for customers who want to a simple outdoor speaker system such as a pair of smaller speakers in the patio or by the pool. Rated at 25W per channel, this all-weather amp uses an impact resistant, all weather ABS enclosure so it can take the rigors of the outdoor climate. Other features include a built-in AM/FM tuner and a convenient iPod jack and included mini cable so you're up and running in a matter of minutes. The MA2 works with any indoor/outdoor power outlet and is perfect for listening to outdoor speakers without interfering with interior speaker set-ups.

Specifications

Other Product Info

Outdoor weatherproof amplifier with a built-in AM/FM tuner, total 30W digital output power, ipod jack included. Works with any indoor/outdoor power outlet. Perfect for listening to outdoor speakers without interfering with interior speaker set-ups.

Accessories

OWNER'S MANUAL

  View Owner's Manual          

QUESTIONS & ANSWERS

By Slash from Texas on June 28, 2012
Will this have enough power for a pair of Insignia Rock Outdoor Speakers Model # NS-R2111?
By Customer Service - Q&A on June 28, 2012

Answer:
Hi Slash,
This outdoor receiver is typically used with 4" speakers or smaller so you might find you'll need more power. We recommend using the AMP120 indoors and then running speaker cable outside to the speakers. This will give you more ideal power and maximize sound quality.
CL/MA

By Ed from Los Angeles on June 30, 2012
Does this come with outdoor speaker wires? If not, what kind would be suggested?
By Customer Service - Q&A on July 2, 2012

Answer:
Hi Ed,

This unit comes with four speaker wires, which measure about four feet long. They are terminated with RCA connectors on one end (that plugs directly into the MA2 back panel). The other end of the cable is 2-conductor: red for positive and black for negative. These are not terminated but rather bare wires. You can extend the cables (if they are not long enough) by splicing them with something like our CL3- rated 16-gauge, 2-conductor cable which is ideal for in-wall, outdoor and direct burial applications. If you need to extend the cables, I would recommend splicing into the cable as near to the input connector as possible (within a foot of the connector). I hope that answers your question.

TL/MA

By GAry from Fort Lauderdale Florida on May 8, 2012
How do I purchase another power transformer?
By Customer Service - Q&A on May 8, 2012

Answer:
Gary,
Yes we do, the power supply is 29.99. Your reference number is 211679
CL

By Christy from Folly Beach, SC on May 17, 2012
Can you used wireless speakers with this system

By Customer Service - Q&A on May 17, 2012

Answer:
Christy,
You can use this with a wireless system yes. Check out the popular WR800's - Their great!
CL

By Paul Rassel from PA on May 18, 2012
What ohm speakers should be used with this system. Can I use it on a golf cart . Can I hook it up directly to 12 Volt battery?
By Customer Service - Q&A on May 18, 2012

Answer:
The MA2 should be used with 8 ohm speakers and you have a choice of powering the unit with a 12 volt Cigarette lighter adapter plug. Hopefully you have a cigarette or 12 volt outlet on your golf cart. Our outdoor patio speakers might work the best for you application.
CL

By daniel from Gold Coast, Australia on November 5, 2011
Will this power outdoor speakers? I have two sets of outdoor speakers but they have the type of input that requires raw speaker wire to be connected to it for audio output and power. Would this be something that I could use to connect it to this?

Thanks,
Daniel
By Customer Service - Q&A on November 7, 2011

Answer:
The MA2 comes with four speaker cables featuring an RCA jack (two black and two red) at one end and two bare wires (positive and negative) at the other end. Although the unit was designed for two pairs of speakers, we typically do not recommend more than a single pair. Connecting two pairs causes an unfavorable load (four ohms or lower depending on the actual impedance of the speakers) for the internal amplifier and eventually causes it to shut down. One thing to consider would be to use the MA-2 to drive a single pair of speakers and then adding our OSD AMP60 to drive the second pair of speakers. There is a cable included to connect the two. The AMP60 also features four speaker outputs but the same rule applies as the MA-2 (recommending one pair of speakers only). In this setup, you will have no problem connecting or driving your current two pairs of outdoor speakers

By Jim from Jacksonville, FL on May 24, 2012
I have a pair of Bose 151® SE environmental speakers and I would like to run them to this and connect the TV/ Cable box to this as well. Is this possible? If not do you have another outdoor receiver amp you recommend?
By Customer Service - Q&A on May 24, 2012

Answer:
Jim,
Those are 4ohm speakers- so this would not work with the MA2- If you are running a single pair you should hook up our AMP120 or AMP150. Although this would not work for your outdoor application because they are both indoors. You would have to build them into something totally protected from the elements.
CL

By Casey from Lexington,ky on November 25, 2012
I have a old pair of klh rlh 450. From reading seems like it will run fine with this amp. Wanted to make sure before I purchased?
By Customer Service - Q&A on November 25, 2012

Answer:
Hi Casey:

I would not go with less than our AMP120 to drive your 8" KLH rock speakers. Timing is good checkout the Cyber Monday special on the AMP120.

TL 1414

By Marlin from Minneapolis minnesota on April 1, 2012
Will you be getting any more of these in stock

By Customer Service - Q&A on April 2, 2012

Answer:
Hi Marlin:

The MA2 have been shipped from our Factory, they are literally on the water. We expect them to arrive the first week of May.

TL

By Jerry from Chicago on July 27, 2012
With this outdoor amp, which outdoor speakers do you recommend? I know it is 8 ohm. I am looking to put it on a pool deck with a couple of speakers and use an mp3 player.

And are there any additional accessories that work well with this setup.

Thanks,
Jerry

By Customer Service - Q&A on July 27, 2012

Answer:
Hi Jerry,
The MA2 puts out 25 watt per channel so our smallest patio speaker would be the way to go. Take a look at our AP425

CL

Product Reviews

25W Outdoor Marine Amp/Receiver OSD-MA2
$77
4.5 Stars based on 27 Review(s)
Biller
Londonderry, NH
5 Stars
I would recommend this item to a friend.

Enough power for the back yard
September 28, 2016
This has been simple to setup and use. It has enough power to allow me to listen to music as I do outside chores in our 2 acre back yard. It sounds great when we are hanging within 100 feet of the speakers.

Dale
Newnan, GA
3 Stars
I would recommend this item to a friend.

Great, but...
December 30, 2013
I would give this amp five stars if this weren't my *third* one in the past couple of years: the power brick keeps dying. This is without my leaving it outside during wet weather! Most disappointing. Except for that extreme annoyance, the amp itself does a fine job with the two below-ground speakers I have in my small back yard.
Cons:
The power brick stops working for no discernible reason.

Pa ul
Edmonton, Alberta
3 Stars

Underwhelming, but Adequate for $
June 17, 2013
To be fair, I bought this item strictly as a stopgap measure as I wanted to use my patio speakers for the summer, and couldn't convince my wife that a $600 Sonos-Amp was the way to go. For the sale price, the unit is a reasonable unit. It lacks power and punch even with my highly efficient outdoor speakers. Build quality is mediocre at best, but functional. Ergonomics on the front panel are non-existent, and the mix of RCA speaker terminals, and mixed RCA and mini-jack inputs make for confusing source selection for the non- tech savvy. I'm still fairly impressed with the unit as a cheap stopgap in spite of all its shortcomings.
Pros:
Cheap Cheap Cheap! Works as advertised.
Cons:
Build quality is mediocre. Front panel ergonomics and button labels RCA terminated speaker outputs Power output is barely adequete Rear Panel has no logical rhyme or reason
Best Uses:
This unit would work better in a boat/marine setting, as the provided interlinks and speaker wire were no were near good enough or long enough to use outdoors for any length of time. AC Power brick is half the size of the unit, and could probably have built into chassis if it was not also 12V.

Ed
Laguna Niguel
5 Stars
I would recommend this item to a friend.

Great product and OSD is great
April 12, 2013
Perfect item. Exactly what I needed at the right price.

Nigel Purvis
nc
5 Stars
I would recommend this item to a friend.

great outdoor amp
April 12, 2013
I bought this love it. Hooked it up to some rock speakers. It's perfect everyone loves it.
Pros:
Small weather safe.
Cons:
Scanning radio stations

Wildcat 86
Kingsport TN
4 Stars
I would recommend this item to a friend.

Great Outdoor Amp
December 21, 2012
Installed this amp as an outdoor unit to listen to AM/FM and aux input from airplay system (Apple iOS devices via wi-fi). Works great, no problems on setup. A remote option would be nice, but not necessary since this is taking input mainly from iPhones/iPads that can control volume output.
Pros:
Good Power Output, Fits In Small Space, Easy To Set Up
Cons:
Does Not Have Remote
Best Uses:
Basic Systems, Outdoor use

Kirk
Dallas
4 Stars
I would recommend this item to a friend.

Great product package for the price
October 12, 2012
I received the unit with a bad power supply, but e-mailed in and was sent a replacement. Thank you! Works fine so far, but wish it had better receiption for radio. It also seems to run hot, but no problems so far, or until my kids crank it up. Then will see how it holds up! I like it for the money but would pay more for an upgraded unit with more amps and better reception. Overall good buy!
Pros:
All In One Features, Easy To Set Up, Great Sound Quality
Cons:
Runs Hot, Poor Reception / Weak Antenna, Lack Of Power, Difficult Station Presets
Best Uses:
Smaller Rooms, Basic Systems, Outdoor patio

Brad
Lewis Center, Ohio
4 Stars
I would recommend this item to a friend.

Good product for the price
September 16, 2012
Great poolside product. Short antenna supplied resulted in poor reception - but just replaced with a longer piece of wire for great reception. Original power supply transformer failed in only two weeks, however, had a new one within 2 days of notifying OSD. No issues now.
Pros:
Easy To Set Up, Great Sound Quality, Many features
Cons:
Poor Reception / Weak Antenna
Best Uses:
Pool Patio

POL
CHESAPEAKE, VA
4 Stars
I would recommend this item to a friend.

EXCELLENT VALUE AND PERFORMANCE
July 24, 2012
USED AS PRIMARY RECEIVER FOR OUTDOOR SOUND SYSTEM THAT IS HOOKED UP TO MULTI SPEAKER AMP DRIVING 6 WIRED AND 2 WIRELESS SPEAKERS.
Pros:
Compact Size, Good Power Output
Best Uses:
Basic Systems

EMC Martin
Riverside, Ca
4 Stars
I would recommend this item to a friend.

Very satisfied
July 9, 2012
Used in my BBQ area, stored outside. Provides audio entertainment. I also purchased four (4) outdoor rock speakers from OSD to use with this unit......great sound! I have received numerous compliments on sound from this system.
Pros:
Accurate Controls, Easy To Set Up, Great Sound Quality
Cons:
Runs Hot, Poor Reception / Weak Antenna
Best Uses:
Basic Systems

Codabear
Paso Robles, CA
5 Stars
I would recommend this item to a friend.

it doesnt get any better
May 13, 2012
yes this was a gift! to myself!. wow! this product was excactly what i was in the market for and better yet i ordered it on monday and got it on tuesday with free shipping. AMAZING! the best internet purchase experience of my life! it gets better! not only do i NOT need to get wires for the speakers(speaker wires included) but i also received an ipod port and cable! amazing
Pros:
Great Sound Quality, Awesome, Good Power Output, Easy To Set Up
Cons:
Not enough time to use it
Best Uses:
Destroying wicked foes, Outside

Locutis
Grove City, Oh
4 Stars
I would recommend this item to a friend.

Outdoor RFeceiver
September 1, 2011
This was what my deck needed, it is small and easy to use
Pros:
Great Sound Quality, Easy To Setup

Mr. BBQ
Naperville, IL
4 Stars
I would recommend this item to a friend.

Just a good, basic outdoor amp
August 24, 2011
Got a free pair of outdoor speakers when I bought my home theater system and just needed a simple amp to use them with my iPod. This fit the bill. I was confused at first looking at the pictures how the speakers hook up but it comes with a short RCA to normal speaker wire....wire.
Pros:
Bang for the buck, Easy To Setup, Water Resistant, Wires included
Cons:
Ugly, Screen display
Best Uses:
Backyard

Rickover
Lakewood, CA
5 Stars
I would recommend this item to a friend.

Exactly what I needed.
August 22, 2011
I bought this to use on the patio, but didn't really know what to expect. I was quite pleased to have both radio and Ipod capabilities, and with great sound too.
Pros:
Easy To Setup, Accurate Controls, Good Power Output, Great Sound Quality

MJ FitnessFreak
Baldwin Harbor NY
4 Stars
I would recommend this item to a friend.

PERFECT!!!!!
July 14, 2011
Exactly what I was looking for, the final peice to my outdoor Home Theater!! Water resistance but dont be foolish. Great Item with great features.
Pros:
Good Power Output, Size easy to hide, Great Sound Quality, Easy To Setup
Cons:
Display hard to read
Best Uses:
Outside theater setup

Steel
Burlington,NC
5 Stars
I would recommend this item to a friend.

Great product for the price
July 11, 2011
This is a great little box for the pool or patio. Easy to setup and has good reception and easy controls. The only issue is see, is that the radio itself is weather proof but, the ac power transformer is not. I purchased a small plastic box and enclosed the transfomer. Easy solution.
Pros:
Great Sound Quality, Easy To Setup
Best Uses:
Pool or patio

Tom
Bend, OR
5 Stars
I would recommend this item to a friend.

Great receiver for the money and use!
July 9, 2011
If you're looking for an outdoor only receiver, this is a great deal. We set it up outside our hot tub and purchased the AP390 Outdoor 3" Patio Speakers upon recommendation from OSD. The receiver produces enough power for background listening and lower volumes, but this receiver doesn't have a lot of power if you want to play your music loud. For us, this is perfect because we don't want to make our neighbors mad with loud music and we can hear it perfectly well in the tub. The controls are easy to use and radio reception is good. I will say that you could hook it up to slightly larger speakers than the ones we got, as I tested it on some bigger speakers I had. Being weather resistant, it works well mounted outside under an overhang which blocks direct exposure to rain. I'm not saying you couldn't get a much better system for a lot more money, but for the price, you can't go wrong. All in all, its the perfect system for us around the hot tub and for only $120, you can't beat it!
Pros:
Accurate Controls, Easy To Setup, Basic and simple
Cons:
Lack Of Power
Best Uses:
Outdoors only

gbelleville
Ellicott City, MD
5 Stars
I would recommend this item to a friend.

A True Bargain
July 8, 2011
I wanted music on my screened in porch, but already have the DVD player in the house which was not multi-room, and didn't really feel like upgrading that. So I searched and searched for something for outdoor. I would have purchased this at twice the price. Plug it in, wire the speakers to the provided leads, plug in the iPod and done. I am pushing two in-ceiling speakers in a 15 X 15 screened porch, and it more than sufficient. Even includes the cord to plug in the iPod. Bought a basket for $9 to put it in so all the cords don't show.... outdoor stereo for cheap!
Pros:
Easy To Setup, Price
Cons:
Poor Reception / Weak Antenna

Chris
Raleigh, NC
4 Stars
I would recommend this item to a friend.

As promised (with a little tweaking)
June 16, 2011
Finding an Outdoor Receiver is a challenge, especially a receiver with all of the inputs this one has. I would definitely recommend this product to anyone looking for a solution for stand alone outdoor entertainment. I had many positive comments on this receiver from friends gathering for cookouts. With the improved FM Antenna I purchased, I am much more satisfied with my purchase of this receiver.
Pros:
Good All In One Package, Easy To Setup, Outdoor Safety
Cons:
Runs warm, I changed out FM Antenna, Poor Reception / Weak Antenna
Best Uses:
Great for Outdoor Gazebo, Smaller Rooms

Anonymous
Undisclosed
5 Stars

I recently ordered the ...
April 20, 2011
I recently ordered the small MA2 exterior amp and a pair of 6 inch speakers for under my screen porch. The amp and speakers sounded great, so I went back to OSD for 2 of the planter speakers for my pool deck also sound great. I was real impressed how fast shiping was, 5 days on both orders and I'm on the east cost.

Michael
Dalton, GA
4 Stars

Sounds surprisingly ...
April 4, 2011
Sounds surprisingly decent for the price. Very simple to set up and even comes with all of the input and output cables. Overall, I have been very pleased. The only downside is the FM reception with the little antenna is pretty weak.

Keith
Gresham, OR
5 Stars

I spent quite awhile ...
September 28, 2010
I spent quite awhile looking for an outdoor system for my gazebo. I'm picky about electronics so, I looked hard and long at setting up a marine stereo based system. I ultimately came back to this unit for its simplicity and low cost. At first, the case seemed too light weight and the interface too basic to me. I hooked it up to rock speakers and was amazed at the strong sub-like bass and general output volume. I then tried an inexpensive pair of indoor/outdoor 3-ways in the gazebo and they sounded even better due to the high frequency capabilities of the tweeters. All-in-all, its a nice simple outdoor solution that easily fills the gazebo and moderate sized backyard with sound. Reception with the supplied string FM antenna is marginal, but adequate. Unfortunately, it does not have any balance or fader capabilities. But, that's OK for my application. Actually has 2 sets of 2-channel RCA outputs and is able to easily drive both my small 3-ways and rock speakers at the same time. Great simple little unit for the money. Would definately recommend it to a friend! However, I would have purchased an upgraded (balance/fader/tone/waterproof AC/DC converter, etc.) model if they made one. Hint...Hint!

Anonymous
WI
5 Stars

Sound quality was better ...
July 2, 2010
Sound quality was better than expected, the antenna/tuner reception is to put it mildly...BAD!!! Would I recommend this to someone else, yes, good product for the price.

Chico
Vincent,Al.
5 Stars

Bought this unit strictly ...
June 27, 2010
Bought this unit strictly for price.I was pleasantly surprised at the performance and highly recomend it!

Paul
Seattle, WA
4 Stars

Bought this tuner/amp for ...
June 2, 2010
Bought this tuner/amp for an outdoor gazebo. Power isn't sufficient for blasting out the back yard, and as the other reviewer noted the display can be a bit hard to read, but I have to say for a set-it-up and forget it outdoor amp it is great - would purchase again. Note however that the power supply is a conventional adapter and is not waterproof and you can buy an outdoor cover at HomeDepot to protect it.