The GROMAX G2+4 is a versatile professional swiftlet amplifier delivering 20W per channel across 4 channels at 4Ω impedance. This powerful unit features Bluetooth connectivity, USB/SD card playback, and dual mic inputs with karaoke digital echo effects. With a frequency response of 20Hz-20kHz and adjustable bass/treble controls, it offers precise audio customization. The compact design measures 39.5x29x13.5cm and weighs 3.7kg, supporting both AC 220-240V and DC12V power options.
Specifications
Price
Shopee
RM218.00
9 products
Lazada
RM258.00
2 products
Specifications
Basic info
Brand
GROMAX
Model
G2+4
Type
Professional Swiftlet Amplifier
Power specifications
Power output
Watts per channel
20
Channels
4
Impedance
4
Power supply
Voltage
AC 220-240V, 50/60Hz or DC12V
Frequency
50/60Hz
Additional features
Special features
Bluetooth function, USB / SD Card Player, 2 way mic input, Karaoke digital echo effect
Tone controls
Bass
100 Hz ± 15 dB
Treble
10 kHz ± 15 dB
Audio performance
Channel separation
≥ 46 dB
Frequency response
20Hz - 20kHz
Input sensitivity
Line
300 mV / 47 kΩ
Signal to noise ratio
Line
≥ 71 dB
Total harmonic distortion
≤0.5%
Connectivity
Inputs
Digital
USB
1
Warranty
Coverage
No warranty for damage due to overload / lightning, water seepage
Physical specifications
Dimensions
Unit
cm
Depth
13.5
Width
39.5
Height
29
Weight
Unit
kg
Value
3.7
