1. Built-in high-speed digital processor, with extremely low distortion and high-precision digital signal processing. 2. With AD and DA converters, the resolution is up to 24 bits/192KHZ. 3. The power supply can be connected to PC/DC5V IN, providing connection with MAC and PC computer and its 0S equipment. 4. Frequency response: -1/-1dB, 20Hz-20kHz 5. Dynamic range: 82dB, A weighted 6. THD+N 0.03%, 1kHz 7. Input level: +6dBu(max) 8. Input impedance: 4k ohm 9. Gain range: +3dB~+60dBSpecification: Package Weight One Package Weight 0.61kgs / 1.35lb One Package Size 24cm * 14cm * 6cm / 9.45inch * 5.51inch * 2.36inch Qty per Carton 20 Carton Weight 13.60kgs / 29.98lb Carton Size 48cm * 36cm * 36cm / 18.9inch * 14.17inch * 14.17inch Loading Container 20GP: 428 cartons * 20 pcs = 8560 pcs 40HQ: 995 cartons * 20 pcs = 19900 pcs