
DSPPA Wall Amplifier USB /MP3/BT/AUX
This is the DSPPA DM835, an on-wall stereo music amplifier that fits a standard 86 wall box. It has a built-in 2 x 10 W amplifier for 8 Ω speakers and plays music from Bluetooth, FM radio, USB, Micro SD and an AUX input, with an LED screen and an infrared remote control.

Stereo amplifier in a wall panel: The DM835 drives two 8 Ω speaker outputs with 2 x 10 W and has a frequency response of 20 Hz – 20 kHz. Because it sits in a standard 86 box, it mounts in the wall like a normal wall plate, with the speakers wired to its amplifier output.
Many music sources: Play music from a phone over Bluetooth, from a USB flash drive or a Micro SD card, from FM radio, or from another device through the AUX input. An AUX output passes the audio on to other equipment.
FM radio with memory: The tuner stores up to 20 radio channels and supports both automatic and manual search, so your stations are saved and easy to recall.

Common audio formats: It plays MP3, WMA, WAV and FLAC files, so most music collections play without converting.
Buttons and remote control: The LED screen shows the time, the track title and the total number of songs. Volume and playback can be controlled with the panel buttons or the infrared remote, and the remote's number keys let you pick a track on the SD card or type an FM frequency directly.

Who it's for / Works with
DSPPA lists offices, restaurants, shops and bedrooms as suitable places. The speaker outputs are 8 Ω low-impedance outputs.
Good to know
DSPPA makes the DM835 in three colours. It runs on AC 100–240 V, 50/60 Hz, and the panel measures 86 x 86 x 38 mm.
Technical Specifications
| Model | DM835 |
| Output Power | 2 x 10 W |
| Impedance | 8 Ω |
| Harmonic Distortion | ≤0.03% (1 kHz, 1 W, 8 Ω) |
| Signal-to-Noise Ratio | >81 dB |
| Frequency Response | 20 Hz – 20 kHz |
| Music Sources | Bluetooth, FM, USB, Micro SD, 1 x AUX in |
| Audio Output | 1 x AUX out |
| FM Memory | 20 channels |
| Audio Formats | MP3, WMA, WAV, FLAC |
| Bluetooth | BT2.1+EDR |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions | 86 x 86 x 38 mm |
📄 Datasheet: Download the official DSPPA DM835 datasheet (PDF)
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