Stetsom EX 10500 EQ Class D Full Range Mono Amplifier (DISCONTINUED)) Output Impedance:2 Ohms (-3dB) @ 1 Ohm: 10Hz

(-3dB) @ 1 Ohm: 10Hz ~ 25KHz

and it can even be used while charging

Signal to Noise: > 90 dB

Mid Bass Boost (270Hz): 0 ~ +10dB (270Hz)

Stetsom EX 10500 EQ Class D Full Range Mono Amplifier (DISCONTINUED)) Output Impedance:2 Ohms (-3dB) @ 1 Ohm: 10HzThe EX Series amps are Stetsom's best sellers. They are excellent with bass as well as with voice. TECHNICAL SPECS (1 Ohm): Number of Channels: 1 RMS Power at 1 Ohm 14. 4V: 10500W RMS RMS Power at 2 Ohm 14. 4V: 7000W RMS Min. Output Impedance: 1 OHM Input Impedance: 25K OHMS Input Sensitivity: 0. 2V T. H. D.: 10% THD Signal to Noise Ratio: >90dB Frequency Response ( 3dB) @ 1 Ohm: 10Hz ~15KHz Crossover Low Pass: 50Hz ~15KHz Crossover High Pass: 10Hz