ZK-MT21 2.1 Channel Bluetooth Amplifier Board – Mini 12V-24V Audio Amplifier with Subwoofer Output, Bass Treble Control 50W+50W+100W– DIY HiFi Home TV Amp for Passive Speakers
Product Description
ZK-MT21 2.1 Channel Bluetooth Amplifier Board – Mini 12V-24V Audio Amplifier with Subwoofer Output, Bass Treble Control 50W+50W+100W– DIY HiFi Home TV Amp for Passive Speakers
- 【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.
Technical Specifications
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