<b>1. TUBE-06 Tube Preamplifier with DAC and Sound Card Function</b><br> <b>Features:</b><br> 1.RCA/AUX/USB signal inputs<br> 2.With DAC function<br> 3.6N3 tubes<br> 4.USB chip CM6653, 24Bit/ 96 kHz<br> 5.Inside USB sound card for better sound effect for computer<br> 6.Aluminum alloy shell<br> 7.Bass/ treble/ volume adjustment knobs, high playability<br> 8.Low noise, low distortion, reduce interference<br> <b>TUBE 03 Specifications:</b><br> Chipset: 6N3 USB DAC CM6653 (24Bit / 96kHz)<br> Interface Input: PC-USB, RCA, AUX<br> Interface Output: RCA<br> THD: 0.02%<br> SNR: -110dB<br> Frequency Response: ±2 (20Hz-20kHz)<br> Operated: Toggle Switch and Front Panel Volume Control, Bass /Treble<br> Power Supply: DC 12V 1.66A<br><br> <b>2. 160W+160W FX1002A High Power HiFi 2 Channel Class D Amplifier</b><br> - Aluminum alloy metal oxidation casing<br> - RCA input and L/R passive speakers<br> - Drive 160 watts power for each amplifier<br> - HiFi audio chip TDA7498E, power electronic filtered circuit, digital amp audio capacitance<br> - Built-in speakers protection circuit, coupling capacitor, negative feedback front-end circuit<br> - Support gain mode switch, set high gain or low gain freely<br><br> <b>Technical Specs of FX1002A:</b><br> Chipset: TDA7498E<br> Power Output: 130W + 130W@ 4Ω, 90W+90W @ 6Ω, 65W+65W@ 8 Ω<br> Interface Input: RCA<br> Interface Output: Speaker<br> Impedance: 4-8Ω<br> THD: 0.07%<br> SNR: 92dB<br> Operated: Toggle Swicth and Front Panel Volume Control