Actiway, established in 1997, is the national new high-tech enterprise. We are a professional manufacturer of car and subwoofer amplifier since 1997, marine amplifier since 2004, powersports audio since 2000. The earliest and biggest manufacturer of car and marine amplifiers with the strongest R&D among all car amplifier manufacturers in China.
Welcome    Home | Back MAH Series - Marine Amplifiers  
摩托车音响
Description
Waterproof PCB design
Die cast/barrier strip terminal block and gold / nickel plated RCA jacks
High / Low level inputs
Short circuit / thermal / overload / DC offset protection
High / Lowpass electronic X-overs with varialbe frequency
Simultaneous mono / stereo operation capability
Super-efficient MOSFET power supply
Soft delayed remote turn-on circuitry
Fully 2Ω stable operation
Variable phase shift (1CH)
Variable bass boost
Bridgeable (2CH/4CH)
Heavy-duty heatsink
Oversized capacitor tanks
Variable Subsonic filter (1CH)
Variable input gain control
Line out jacks
Power / Protect LED indicators
Specifications MAH-M600A.D MAH-4120A.D MAH-2250G MAH-4180G
Max Power 1200W x1 180W x4 375W x2 270W x4
RMS Power Ratings
@14.4V, =1% THD+N		 600W x1 (2Ω)
360W x1 (4Ω)
1200W x1 (4Ω Dual Amp)		 90W x4 (2Ω)
60W x4 (4Ω)
180W x2 (4Ω Bridged)		 185W x2 (2Ω)
125W x2 (4Ω)
375W x1 (4Ω Bridged)		 135W x4 (2Ω)
90W x4 (4Ω)
270W x2 (4Ω Bridged)
T.H.D. 4Ω<0.1%, 2Ω<0.15% @100Hz 4Ω<0.1%, 2Ω<0.15% @1KHz 4Ω<0.1%, 2Ω<0.15% @1KHz 4Ω<0.1%, 2Ω<0.15% @1KHz
Signal to noise (A weighted) >100dB >90dB >95dB >90dB
Channel separation / >50dB >50dB >50dB
Frequency response (±3dB) 10Hz~250Hz 10Hz~25KHz 10Hz~38KHz 10Hz~38KHz
Low pass crossover frequency 30Hz~250Hz 40Hz~160Hz 40Hz~4KHz 40Hz~4KHz
High pass crossover frequency / 60Hz~1.2KHz 15Hz~500Hz 15Hz~500Hz
Band pass crossover frequency √ (10Hz~250Hz) / √ (15Hz~4KHz) √ (15Hz~4KHz)
Remote controller Level / Level /
Bass control 0~12dB 0~12dB 0~12dB 0~12dB
Crossover slope 18dB 12dB 12dB 12dB
Variable phase shift 0°~180° / / /
Subsonic filter 10Hz~50Hz / / /
High/low level input sensitivity 10V~0.2V 10V~0.2V 9V~0.2V (Low level) 9V~0.2V (Low level)
High/low level input impedance 100Ω / 20KΩ 100Ω / 20KΩ 20KΩ (Low level) 20KΩ (Low level)
Linkable yes / / /
Line output yes yes / /
Die cast terminal yes yes yes yes
FR4 PCB yes yes / /
Fuses rating 30A x 2 20A x 2 30A x 2 35A x 2
Heatsink size (LxWxH) (mm) 232x250x50 212x250x50 332x250x50 330x250x50
Heatsink size (LxWxH) ( inch) 9.1x9.8x2.0 8.4x9.8x2.0 13.1x9.8x2.0 13.0x9.8x2.0
Click it for large photo large photo large photo large photo large photo