digital audio
Amplifier Audio Circuits
TPA3110 Mini D class power amplifier TPA3110D2 diy
BY
Toni
Mini D class power amplifier (TPA3110D2), Based on the TPA3110 digital audio power amplifier with preamplifier, it supports a power ...
Audio Circuits Preamplifier
Module Bluetooth music receiver BTM334 (QCC3034) + PCM5121
BY
Toni
Module Bluetooth music receiver BTM334 (QCC3034) + PCM5121, QCC303X Bluetooth Receiver, a Bluetooth music receiver made based on the BTM334 ...
Circuits Amplifier Audio
NS4225 25W High-Quality Audio Power Amplifier stereo
BY
Toni
NS4225 25W stereo Class D Audio Power Amplifier Solution Chip, include PCB. High-Quality Audio Power Amplifier. NS4225 23W stereo Class ...
Audio Circuits Preamplifier
JL AC6955F Bluetooth 5.1 audio module + SD card playback
BY
Toni
A multimedia player based on the Jieli JL AC6955F development, supporting Bluetooth 5.1 and SD card playback. Include lithium battery ...
Audio Circuits Featured RF
SI4735 SI4732 all band radio receiver LW MW FM SW
BY
Toni
Circuit Arduino + SI4735 or SI4732 all band radio receiver LW, MW, FM, SW and SSB. All-band radio receiver project, ...
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.