A07 PRO TPA3255 Bluetooth Power Amplifier:
Chipset: TPA3255+NE5532+QCC304X
Bluetooth: Version 5.2 Bluetooth support: 16-24bit 44.1-48khz Supported format: sbc/aac/aptx/aptx-hd
Replaceable OP amp chips: SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc.
Distortion: 0.002%
Signal-to-noise ratio: 90dB
Frequency response: bass ±12dB; treble±10dB
Input sensitivity: 0.84vRms
Speaker impedance: 4-8Ω
Output power: 300W*2/4 Ohm
Input mode: Bluetooth, RCA
Support audio input devices: mobile phones, MP3, computers, CDs, decoders, audio preamps, etc.
Output mode: 2.0 passive speaker + AUX
LINE OUT: Connect the power amplifier or active subwoofer
Working power supply: DC24-48V, 5A or more
Packing size: 168*114*32MM
power supply:48V5A、32V5A、36V6A
Warranty:18 Months