Feature
●20W + 20W: 2.0 channel, can drive 4-16Ω speaker, compatible with most home and car speakers
●CH3 / CH4 for audio output: 4 groups of speaker sockets can connect to 2 pairs of speakers. In addition to connecting to an active speaker, the CH3 / CH4 can connect to another M4 amplifier to connect more speakers. This allows you to connect multiple amplifiers and multiple speakers in order to share one audio signal in multiple rooms
●CH3 / CH4 for audio input: one input supports one output (for example, a CH1 speaker socket will output the audio signal that the CH1 input input). That means you can input two groups of stereo audio signals (or four groups of mono audio signals) at the same time
●Supports stereo RCA and Bluetooth 5.0 input, compatible with audio devices such as smart, computer, TV, MP3, TV, CD player, etc
●U-disk input can be used as a digital music player. Support MP3, WAV, APE, FLAC, WMA lossless format. Speaker socket output is 4 groups, they can output simultaneously and each channel has independent volume control. Its maximum output can reach 50W x 4, and comes with a high quality 24V/4.5A power supply that is enough to drive most home speakers
Description
Maximum output power: 50W x 4 (4Ω load)
SNR: ≥98dB
Input sensitivity: 0.775V
THD: 0.05% (1kHz 1W)
Frequency response: 20Hz-20KHz (±3dB)
Operating voltage: DC 12-24V
Dimensions (W x D x H): 5.0 x 5.3 x 1.3 inches (128 x 134 x 33 mm).
Net Weight: 540g
Package Weight: 2.8 oz (1,100 g).
Parameters
Model: Douk Audio M4
Channels: 2.0 / 4.0
Audio Input: Bluetooth/Stereo RCA/U-disk
Audio output: speaker socket
U-disk support formats: MP3, WMA, APE, FLAC, WAV ...
U-disk capacity: up to 32G
Bluetooth version: 5.0
Speaker Impedance: 4-8Ω
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One group of stereo RCA (CH3 and CH4) can be used as audio input or output by switching the selector to meet a variety of demands. CH3 / CH4 for audio output: 4 groups of speaker sockets can connect to 2 pairs of speakers.In addition to connecting to an active speaker, the CH3 / CH4 can connect to another M4 amplifier to connect more speakers.This allows you to connect multiple amplifiers and multiple speakers in order to share one audio signal in multiple rooms. |
CH3 / CH4 for audio input: one input supports one output (for example, a CH1 speaker socket will output the audio signal that the CH1 input is input).That means you can input two groups of stereo audio signals (or four groups of mono audio signals) at the same time. |
Supports stereo RCA and Bluetooth 5.0 input, compatible with audio devices such as smart, computer, TV, MP3, TV, CD player, etc.U-disk input can be used as a digital music player. Support MP3, WAV, APE, FLAC, WMA lossless format. Speaker socket output is 4 groups, they can output simultaneously and each channel has independent volume control.Its maximum output can reach 50W x 4, and comes with a high quality 24V/4.5A power supply that is enough to drive most home speakers. |
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| GFJ041 | T4C | S5 | PA-03 | GFJ845 | |
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| Customer Reviews |
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| Price | ¥9,142 | — | — | ¥82,999 | ¥11,999 |
| Bluetooth version | 5.0 | - | - | - | - |
| Maximum output | 50W x 4. | 50W+50W | - | - | - |
| Input | Bluetooth / Stereo RCA / Brushed Memory | RCA | BANANA | 3-channel RCA + 1-channel XLR | 3-channel stereo L/R RCA |
| DSP | x | x | x | x | x |
| Volume adjustment | ✓ | ✓ | x | ✓ | ✓ |
| Headphone Amplifier Function | x | x | x | x | x |
| sayings | 128 * 134 * 33mm | 3.5 x 1.4 x 4.3 inches (90 x 35 x 108 | 190 * 140 * 210mm | 16.9 x 13.0 x 3.9 inches (430 x 330 x 10 | 240 * 150 * 47mm |
| Vacuum Tube | x | x | x | ✓ | x |