Power Dynamics Powerline B50B In-Wall Audio Amplifier with Bluetooth and LCD - Black

The Power Dynamics Powerline B50B is a compact Class-D stereo amplifier designed for discreet installation in a single-gang wall box. Delivering up to 2 × 25 W RMS, it keeps connections concealed while providing integrated audio control for kitchens, bedrooms, hotel rooms, offices and showrooms.

Its glossy black glass panel combines touch-sensitive controls, a rotary volume knob and a clear LCD for convenient adjustment of sources, tracks, radio stations and volume. Audio can be played using Bluetooth 5.0, USB media, a microSD card, the integrated FM tuner or the rear stereo line input. A line output supports connection to existing audio equipment.

With a 66 mm installation depth, rear screw terminals and a supplied metal back box, the amplifier is suitable for clean installation in new builds and retrofit applications. It supports 4–8 ohm speakers and operates from a 100–240 V AC power supply.

• Flush-mount Class-D stereo amplifier
• Delivers 2 × 25 W RMS at 4 ohms or 2 × 20 W RMS at 8 ohms
• Touch-sensitive glass panel with LCD and rotary volume control
• Bluetooth 5.0 streaming for compatible smartphones, tablets and laptops
• Integrated MP3 player with USB and microSD playback
• Built-in FM radio
• Stereo line input, speaker outputs and line output with screw-terminal connections
• Glossy black finish
• Remote control, mounting bracket and back box included

Power output at 4 ohms

2 × 25 W RMS

Power output at 8 ohms

2 × 20 W RMS

Speaker impedance

4 ohms / 8 ohms

Frequency response

20 Hz–20 kHz

Signal-to-noise ratio

>98 dB

Total harmonic distortion

<0.03%

Playback options

Bluetooth 5.0, USB, microSD, line input and FM radio

Inputs

Stereo line input via screw terminal

Outputs

Stereo speaker output and line output via screw terminals

IP rating

IP20

Power supply

100–240 V AC, 50/60 Hz

Dimensions (L × W × H)

86 × 86 × 66 mm

Weight

0.3 kg

Included accessories

Remote control, mounting bracket and back box