AIYIMA A80 Bluetooth Amplifier With 48V, 5A, 240W Power Supply Features: High-performance ESS ES9038Q2M DAC supporting up to PCM 384kHz/32bit and DSD256 TPA3255 Class D amplifier chip with Post Filter Feedback (PFFB) for ultra-low distortion Bluetooth 5.1 connectivity with support for AAC, SBC, aptX, aptX-LL, and aptX-HD codecs Multiple input options: RCA, TRS (balanced), USB-C, Optical (Toslink), Coaxial, and Bluetooth Dedicated subwoofer output for 2.1 channel audio setups Replaceable op-amps (DIP8) for customization and upgrade potential Color display with configurable VU meters for visual feedback Compact aluminum chassis with efficient passive heat dissipation 12V trigger input for smart power control integration DAC Chip: ESS ES9038Q2M Amplifier Chip: Texas Instruments TPA3255 with PFFB Bluetooth Chip: Qualcomm QCC3040 Supported Bluetooth Codecs: AAC, SBC, aptX, aptX-LL, aptX-HD Inputs: RCA, TRS (balanced), USB-C, Optical (Toslink), Coaxial, Bluetooth Outputs: Speaker terminals, Subwoofer out (3.5mm AUX), 12V trigger Maximum Output Power: 2x300W @ 4O (with 48V/10A power supply) THD+N: =0.006% Signal-to-Noise Ratio (SNR): =109dB Frequency Response: 20Hz–20kHz (±0.5dB) Input Sensitivity: RCA: 2Vrms, TRS: 3.6Vrms Power Supply:48V, 5A, 240W Dimensions (L x W x H): 155mm x 123mm x 41mm Net Weight: Approximately 850g

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