PROZOR Bluetooth HiFi Audio Amplifier 100W x2 TPA3221 DAC Amp (PRR031)

About this deal

This is a compact stereo amplifier aimed at home hi-fi enthusiasts who want to power passive bookshelf or floor-standing speakers. It uses a professional TPA3221 digital power amplifier chip, delivering 100W + 100W output power for 3-8 ohm passive speakers. The built-in 192kHz/24-bit DAC converts optical digital audio to high-fidelity left/right analogue sound, and multiple inputs are provided including Bluetooth, optical, AUX, and RCA, ensuring compatibility with a wide range of sources such as smartphones, computers, and TVs. The TPA3221 is a high-power Class-D amplifier featuring closed-loop feedback with a bandwidth up to 100kHz, which keeps distortion low across the audio band. It also achieves over 90% efficiency, with very low idle and standby power consumption, meaning it runs cool and economically in everyday use. Dedicated bass and treble controls allow precise adjustment of the audio output to suit different music genres and personal preferences. Note this unit is listed as opened but never used.