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Home / Power Amplifier / Top-quality K4-1500 4 channel power amplifier

Top-quality K4-1500 4 channel power amplifier

Use Parts: 1 PIECE
Supply Ability: 100 PIECE
Payment Terms: TT , LC , Others
Frequency response20Hz-20KHz:±0.5dB
Total harmonic distortion ≤0.035%
Damping coefficient≥600
Net Weight10.2 Kg
Use Parts1 PIECE
Supply Ability100 PIECE
Payment TermsTT , LC , Others


The K series of professional power amplifiers is a new milestone for ClassD amplifiers. Adopting advanced ClassD amplifier module and high-efficiency SMPS power module, which makes the DH series have extremely high efficiency and reliability, and also has extremely high power density, which can only be provided in a standard chassis space of 1U height and 11 "depth Unprecedented power.


1 1U height 11 "depth standard chassis, compact size, lightweight and compact;

2 ClassD power amplifier module with fixed switching frequency;

3 soft switching LLC resonant switching power supply module;

4 Active power factor correction technology (PFC), can work stably in the full voltage (90-264V) range;

5 Efficient speaker back EMF absorption system;

6 Unique peak clipping limiter and ripple elimination network;

7 Temperature-controlled variable-speed fan, air flow from front to back;

8 Backplane connection mode selection (stereo / parallel / bridged);

9 The back panel is equipped with input sensitivity selection switching (0.775v / 1v / 32dB);

10 Full circuit protection, including: soft start, DC, infrasound, high frequency, overheating, short circuit, mute on / off;

11 Low frequency is thick and powerful, extremely low diving depth, medium and high frequency are transparent, clear and pleasant;

12 The integrated design of the power amplifier module and the power module, more than 85% of the devices use mechanical automation to ensure product consistency.


Product Model


8Ω (stereo)

1500W x4

4Ω (stereo)

2300W x4

8Ω (bridge)

4600W x2

Frequency response


Total harmonic distortion




Damping coefficient


Input sensitivity


Input resistance

20K/10K (balanced / unbalanced)

Input socket

Balanced input XLR male and female

Output socket

Speaker socket and binding post

Product size (H x W x D)

483x381x44 mm

Net Weight

10.2 Kg

Power supply requirements


Send a message to us

Contact Us

Songshi Road, Shashui Village, Songgang, Shishan Town, Nanhai Dist..Foshan City, Guangdong Provice, China
General Distributor in Vietnam:
Add: 6/45 Bui Huy Bich Str., Hoang Mai Dist., Ha Noi City.
Hotline:+84 962 36 00 55 / +84 936 20 88 80

Company Details

Foshan City Nanhai Kafu Professional Audio Equipment Factory was founded in 2006, located in Foshan, China. With more than 10 years operating, we have built up mature products technology, high quality production system and after sale service system. Our products include passive&active line array speakers, full range speakers, subwoofer, power amplifiers, digital processors and peripheral products and and all accessories, which have been successfully applied in public entertainment market, government affairs,business conference, public cultural and sports market.
Foshan City Nanhai Kafu Professional Audio Equipment Factory