Product description:Chipset: TPA3255+QCC3034+ES9023Bluetooth: Version 5.0, supports AAC, SBC, APTX, APTX-LL, APTX-HDInput channel: AUX (unbalance), XLR (balance), bluetoothInput Sensitivity: 1VrmsXLR maximum input level: 2.2vrmsSignal-to-noise ratio: >110dbTotal Harmonic Distortion: 0.02%Speaker impedance: 4-8 ohmOutput power: 215Wx2, 4 ohms@thd+n=10%Maximum power: 300WX2Frequency response: 20-20khz (+0.2db,...

Features: Upgrade your speakers and subwoofer with a 150W@4ohm x2-channel amplifier, high-fidelity streaming music. Bluetooth 5.0 amplifier with APTX-LL let you stream music and stereo sound in crisp. With a world of input mode options, D03 is always getting satisfy...

Parameters: PC-USB supports sampling rate: 96K/24Bit Distortion: RCA: 0.2%/HP: 0.003% Bluetooth version: 5.0, QCC3031 support Qualcomm aptX and aptX HD Vacuum tube: 6N3, you can replace tube by GE5657,396A,2c51,12BA4,5670,6H3n PC-USB support operating system: XP/W7/W8/W10/MAC/linux SNR: RCA,108dB; HP, 106dB Headphone impedance...

Features:Unique and amazing combination: integrated T9 amplifier with VU meter into whole in such a mini size, when enjoy HiFi music, the pointer dancing in the warm light with strong vintage feelings, dynamically decorates the audio system space.HiFi clear sound...