Douk Audio G4 Subwoofer Full-Frequency Mono Channel Digital Power Amplifier 100W.

Parameters Rated power: 100W Peak power : 300W THD: 0. 001% SNR: 103dB Speaker impedance: 48Ω Matched fullfrequency or crossover speaker: 310 inch / 10200W Matched subwoofer speaker: 412 inch / 40200W Subwoofer Frequency Range: 20200Hz Fullfrequency Frequency Range: 2020Khz Audio input: 3. 5mm AUX / RCA Audio output: banana speaker jacks Working voltage: DC 1224V 5. 5mm (/ 2. 5mm (Dimensions(L*W*H: 105*85*30mm / 4. 13**3. 35*1. 18in Net weight: 240g / 0. 53lb Package weight: 445g / 0. 98lb Packing List 1*G4 Mono Amplifier 1*19V Power Supply 1*Manual.