AIYIMA A70 Amplifier With 48V, 5A, 240W Power Supply The AIYIMA A70 is a high-performance Class D stereo amplifier featuring the TPA3255 chipset with Post Filter Feedback (PFFB) technology. Delivering up to 300W per channel at 4O, it offers both RCA and XLR inputs, a subwoofer output for 2.1 channel setups, and a 12V trigger input. Its compact design and replaceable NE5532 op-amp make it a versatile choice for audiophiles seeking powerful and clear sound reproduction.

Features: TPA3255 Class D amplifier chip with PFFB (Post Filter Feedback) technology for low distortion Up to 300W x 2 @ 4O output power for robust stereo performance Balanced XLR and unbalanced RCA inputs for versatile connectivity Dedicated subwoofer output for 2.1 channel audio setups 12V trigger input for smart power control integration Replaceable NE5532 op-amp for customization and upgrade potential Compact aluminum housing with efficient passive heat dissipation Independent volume and bass/treble control knobs for personalized sound tuning Amplifier Chip: Texas Instruments TPA3255 Op-Amp: NE5532 (replaceable) Input Options: XLR (balanced), RCA (unbalanced) Output Power: 300W x2 @ 4O / 150W x2 @ 8O (48V/10A power supply recommended) Subwoofer Output: Mono RCA for powered subwoofer Trigger: 12V trigger input for external device control Frequency Response: 20Hz–20kHz (±1dB) THD+N: =0.005% SNR: =110dB Input Sensitivity: 1.5V (RCA), 3.0V (XLR) Power Supply:48V, 5A, 240W Dimensions (L x W x H): 188mm x 158mm x 52mm Net Weight: Approx. 1.2kg