AIYIMA A70 Balanced Stereo Amplifier with PFFB Home Audio Component Receiver,TPA3255 Class D Amp for Desktop Home Theater Bookshelf Speaker,with XLR &

VERSATILE DESIGN: Vertical desktop configuration allows flexible placement in any setup while taking up minimal space INTUITIVE CONTROLS: Push button cycling between XLR and RCA inputs along with separate gain switch makes operation simple and straightforward CLEAN, ACCURATE SOUND: Utilizes post filter feedback loop technology for load independent linearity, reducing distortion and preserving audio fidelity HIGH EFFICIENCY AMPLIFICATION: TI TPA3255 chip combined with feedback loop architecture yields good performance while maintaining efficient operation MULTI-LAYER PCB DESIGN:Six-Layer Amplifier PCB Board & Four-Layer Tone Board,Improves signal stability and audio purity, enhancing performance and immunity to interference, resulting in excellent sound output 12V TRIGGER INPUT:12V Trigger circuits usually have lower power consumption, which helps to improve the overall energy efficiency of the system. 12V Trigger function makes the A70 more in line with the needs of most audio enthusiasts due to its stability, compatibility and reliability DC36-48V Power input offer POWERFUL PERFORMANCE,match for most home audio speaker