ZK-MT21 2.1 Channel Bluetooth Amplifier Board – Mini 12V-24V Audio Receiver with Subwoofer Output, Bass Treble Control – DIY Home TV Stereo Amp for Passive Speakers
Product details
| Management number | 237031672 | Release Date | 2026/07/10 | List Price | US$6.32 | Model Number | 237031672 | ||
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- 【Big Power in Tiny Size】Drives left/right speakers (≤50W each, 4-8Ω) plus subwoofer (≤100W). Perfect for bookshelf speakers, TV soundbars, or DIY boomboxes.
- 【Dual Input Modes – Bluetooth & AUX】 Stream wirelessly via Bluetooth 5.0 (up to 33ft) or connect any device using the 3.5mm AUX input. Works with phones, TVs, computers, and more.
- 【More Power with 24V Supply】 Runs on DC 12V-24V / 5A or above (power supply NOT included). Higher voltage = bigger sound. Users say 24V makes it "room-shaking."
- 【Full Tone Control Knobs】 Separate controls for master volume, sub level, sub frequency (20-200Hz), plus bass and treble for left/right channels. Fine-tune your perfect sound.
- 【Easy DIY Assembly】Comes with top/bottom covers, 8 small screws, 5 knob caps, and a screwdriver. Barely gets warm even after hours of use. Great for reviving old speakers.
| ASIN | B0DQ3YWL94 |
|---|---|
| Model | ZK-MT21 |
| Voltage | 12 Volts |
| Brand Name | HOCHANAN |
| Part Number | ZK-MT21 |
| Manufacturer | HOCHANAN |
| Output Power | 120 Watts |
| Mounting Type | Surface Mount |
| Supply Current | 5 Amps |
| Item Dimensions | 3.54 x 3.66 x 0.87 inches |
| Package Type Name | Box |
| Number of Channels | 2 |
| Included Components | as the picture |
| Maximum Output Power | 50*2+100 |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
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