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Home / Product Category / New items / XWB50 In-Wall 50W Amplifier with Bluetooth / Aux Input Rotary Knob Decora-Style Plates, Includes Connecting Cables

XWB50 In-Wall 50W Amplifier with Bluetooth / Aux Input Rotary Knob Decora-Style Plates, Includes Connecting Cables

Product code: XWB50

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OSD Price: $99.95
Compare at: $249.00 You Save: $149.05 (60%)
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Features & Specifications

Combines In-wall Volume Control with the Convenience of Bluetooth

OSD Audio’s Bluetooth-ready in-wall volume control with amplification lets you control the volume of your whole house audio system or home theater without the need of a separate amplifier or receiver.


This simple-to-install volume control includes a Bluetooth receiver and a separate amplifier so you can manage the volume of your entertainment through your cellphone, tablet or computer.

Built-in Amplification

Unlike traditional in-wall volume controls which must be connected to a separate amplifier, the XWB50 includes a 50W (2 X25 RMS @4ohms) amplifier.


This means power is built into the system so you can enjoy clear, crisp and powerful audio without having to connect to an amp. The XWB50’s Bluetooth receiver also has a wireless range up to 32.8 feet (10m) to control volume from various areas of the room.

More than a Volume Control

Ideal for whole-house audio, media rooms and home theaters, this truly unique powered in-wall volume control includes 3.5mm aux input to connect to your cellphone or other device directly, which is a handy feature for those times when Bluetooth is not available or a bit sketchy.


The Decora-style plate can be mounted anywhere close to a standard outlet, and the amplifier mounts in the wall as well and can be installed out of sight near the outlet. All connecting cables, power supply and power cord is included so there will be no last-minute trips to the hardware store.


Designed with precision electronics to provide low distortion and a flat frequency response, the XWB50 installs easily and works with virtually any audio system, and you don’t need to be an electrician or even that handy to install the unit and start filling your room with the music you love.



  View Owner's Manual          


3 Questions & 3 Answers
from Toronto, ON asked:
January 23, 2018
Hi, Can I connect ASUS Xonar Essence STX audio card by using bundled RCA-to3.5 mm Y cable to ZWB50 amplifier and AP840 Outdoor Patio Speakers? If not, what would you recommend for instead? Please advise. Best regards, Alex
1 Answers
Hi Alex: The ZWB50 has a built in Bluetooth Receiver and 25 Watt Class D 4-8 ohm amplifier. There is a second plate that includes connections both for the external wall wart/power supply and 3.5mm stereo audio cable. I should work with any device that connects with an aux cable most smartphones with a headphone jack. TL/4769
Customer Service - Q&A
on January 26, 2018

from Chicago, IL asked:
November 22, 2017
Can multiple units be used in the same house at the same time?
1 Answers
HI Mark: You can do multiple units in your house but most devices only allow you to sync up with one Bluetooth Receiver at a time. I believe there is anew app on the new SAMSUNG Galaxy phones that allow you to connect to two Receivers at a time. You also have the ability of driving speakers in two rooms. The internal amplifier will drive two 8 ohm speaker in parallel so you could run a pair per two rooms or two pair in the same room. Stay tuned new connectivity options are evolving as we speak. TL/4662
Customer Service - Q&A
on November 24, 2017

Tim Hodder
from Phoenix, Az asked:
November 8, 2017
Can this device be hard wired in to power??
1 Answers
HI Tim: It already has a built in amplifier that connects thru Bluetooth and also a pre amp 3.5mm connection on the plate featuring the power connection for the external wall wart. You could add a SVC 405 Impedance matching Volume Control featuring an A/B switch so you could add another source. The beauty to this in wall amplifier is you can add any pair or even two pair of speakers to the internal amplifier with master volume control. Pretty cool TL/4631
Customer Service - Q&A
on November 16, 2017

Product Reviews

2 Reviews
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100% Recommend this product (2 of 2 responses)
By Jonathan
Cold Spring, NY
November 7, 2017
Works well! Easy to install, loud and clear!
Very happy with my in wall amp. I installed it in a new studio we built on our property. It was easy to install, with the exception of fitting the amp in a work box with all the wires connected. It was a bit tough to fit it all in, but not a big deal. In the end it worked. Get the largest single gang box you can find though. The main box with the volume knob is pretty deep. The bluetooth connection works really well and sounds great. It pairs quickly and hasn't dropped a connection yet. The amp is super loud. Way louder than expected. If I turn it up to 12 o'clock it's already cranked. I installed a pair of inexpensive 6" in-wall speakers and they sound really good. Looks great on the wall, very small and simple. My only complaint is that the power needs to come from a wall-wart power supply. I wish it could be wired into the wall, but I understand this is probably a code issue. At least they separated the power supply input so you could place that closer to an outlet. Great experience so far. I hope it lasts a long time. Thanks also to the OSD salesman who let me know about the coupon they had for 10% off when I called to order. I appreciate it.
ProsSounds Good. Loud! Small and attractive. Easy to install. Consistent connection. Inexpensive.
ConsWall wart power supply. Sort of a tight fit getting the amp in the work box in the wall, but maybe a deeper box would make this a cinch.
By Anthony
San Francisco, CA
August 28, 2017
Excellent DIY solution for my office den
Searched online for a simple solution to stream music to a pair of ceiling speakers in my office den, this inwall digital amp fits my application perfectly. Installation was easy as it comes with all the wires, 2nd plates for including power adapter. Wired to a pair of OSD ACE640 speakers, really like the overall sound quality and easy installation. Bluetooth is easy pairing and sound quality is good. Didn't try the 3.5mm local source since I stream my music. I gave it four starts because OSD can easily configure this unit to multi room solution by adding balance input.
Best UsesDIY Custom install audio