Douk Audio G4 单声道数字放大器低音炮/全频功率放大器 100W

$44.99

Features

Mono Integrated Class D Amplifier
Used as Full Frequency Amp or Subwoofer Amp
2PCS NE5532 Op-Amp and TI's TPA3116 Chip
Output Power up to 100W

带或不带电源适配器

不带电源适配器

配备19V/4.74A电源适配器

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30-Day Return

2-Year Warranty

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User Manual of Douk Audio G4

Notice:

This is mono amplifier, if you want stereo output please buy 2PCS or 3PCS.

G4 can be used as full frequency amp or subwoofer amp with the B/M switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices. 2PCS G4 can be used to drive left and right channel independently to avoid mutual interference.
Adopting 2PCS NE5532 op-amp and TI's TPA3116 chip, output power up to 100W enough to drive passive 3-10 inch full-frequency speakers or 4-12 inch subwoofers, no audible noise even at large power output, upgrade your 2.0 channel audio system to 2.1, providing shocking cinema effects.
By combining the stereo(left and right channel) input, first to do signal analysis and frequency processing and then power amplification, the low-frequency filtering will be more pure and power consumption is more efficient.
Mini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use.

Audio input: 3.5mm AUX / RCA
Audio output: banana speaker jacks
Rated power: 100W
Peak power : 300W
THD: 0.001%
SNR: 103dB
Speaker impedance: 4-8Ω
Matched full-frequency or crossover speaker: 3-10 inch / 10-200W
Matched subwoofer speaker: 4-12 inch / 40-200W
Frequency range:
Subwoofer mode: 20-200Hz
Full-frequency mode: 20-20Khz
Working voltage: DC 12-24V 5.5mm (-) / 2.5mm (+)
Dimensions(L*W*H): 105*85*30mm / 4.13**3.35*1.18in
Net weight: 240g / 0.53lb
Package weight: 445g / 0.98lb

G4 Mono Amplifier ×1
19V Power Supply ×1
User Manual ×1

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100W High Power

Adopt classic TPA3116 chip, which can offer 100W high power
Enough to drive passive 3-10 inch full-frequency speakers or 4-12 inch subwoofers

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2 PCS NE5532 OP-Amp

Adopt 2 pcs NE5532 OP-Amp
No audible noise even at large power output

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B/M Switch

Designed with B/M switch to switch between Bass/Mono modes
G4 can be used as a subwoofer amplifier or a signal channel speaker amplifier
You can also use two G4 to drive a set of normal speakers or three G4 to build a 2.1 audio system

This little amp worked out great and sounds amazing.

I am very happy with the subwoofer amp. I had to replace my A/V receiver with one that did not have an internal subwoofer amp, and this little amp fit the bill. It works exactly like it did with my previous receiver. If you have passive woofers and your receiver does not have an internal amp for subwoofer output then I highly recommend this little amp. It comes with a crossover switch on the back (B & M). B position is for Subwoofer Mode ( 20 -200hz) M position is for full frequency (20 - 20khz).

Perfect for DAC streamers with SUB output.

100 watts of clean class D amplification for your DAC’s subwoofer output. Adjustable with your favorite streamer’s phone app. Perfect!

Muy bueno

Bueno

Power off thunk

If you do the obvious thing and plug this into a switched outlet on your receiver, you get an annoying thunk when you power off your receiver with this turned on. I get the same thing if I pull the plug out of the wall, so it's not my receiver. I'm also using their power brick, so a different one may not do this.I am leaving it on all the time. It probably draws less than the built in subwoofer amp it's replacing, which was always warm to the touch. Otherwise, it seems to work well.

Nice compact subwoofer amp

I wanted to add bass shakers to my sofa for that 4D effect when watching blockbuster movies. I got this amp to power the subwoofer. It's nice and compact which can be easily hidden away out of sight. The only thing I wish as an improvement is a separate power button. It's currently setup with power being a twist of the bass adjustment knob. This means you have to adjust the bass every single time you turn on the amp.

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