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PK Series: Digital amplifier

Up to 89% high efficiency, 

High definition sound quality, 

Full function protection, 

Compact size.

PK1400.2
Class D 2CH Full Range Amplifier (14.4V)
4 Ohm Load 2CH x 470Wrms
2 Ohm Load 2CH x 705Wrms
4 Ohm Load 1CH x 1090Wrms (Bridged)

Frequency Response 15HZ~55KHZ(-3dB)
S/N Ratio, referred to highest rated power >95dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >70dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
THD+N at Rated Power: <1% at 2 Ω per Ch.
Input Voltage Range at RCA Inputs: 0.2-5V
Min Copper Power / Ground Wire Gauge: 4 AWG wire
Fuse Rating: recommend use external 150A fuse
Filter Modes ■LPF ■HPF ■Bassboost level ■Bassboost frequency
Filter Slope (dB/Octave) 12dB/oct
Filter Frequency Range HPF: 15-200HZLPF: 50Hz-200Hz
Bass boost frequency 30Hz-90Hz adjustable
Bass boost level 0-12dB adjustable

PK Series:  
Full range Class D
PK350.4 60Wx4ch RMS(4ohm at 14.4V≤1%THD+N)
PK550.4 90Wx4ch RMS(4ohm at 14.4V≤1%THD+N)
PK550.4S Advanced 90Wx4ch RMS(4ohm at 14.4V≤1%THD+N)
PK750.2 250Wx2ch RMS(4ohm at 14.4V≤1%THD+N)
PK1400.2 450Wx2ch RMS(4ohm at 14.4V≤1%THD+N)

Class D mono bass amplifier 
PK600.1 600Wx1ch RMS(2ohm at 14.4V≤1%THD+N)
PK1000.1 1000Wx1ch RMS(1ohm at 14.4V≤1%THD+N)
PK1500.1 1500Wx1ch RMS(1ohm at 14.4V≤1%THD+N)

Soundmagus Technology Co. Ltd.
Professional Car Amplifier Designer & Manufacturer
Welcome your inquiry.