ZK-MT21 2.1-Channel Bluetooth 5.0 Amplifier Board with AUX

R 659.99 ZAR

Build a stereo speaker system with a dedicated subwoofer using the ZK-MT21 amplifier board. Connect through Bluetooth 5.0 or AUX, then adjust bass, treble, subwoofer frequency and volume to suit your listening setup.

Features

2.1-channel output for left and right speakers plus a subwoofer.
Bluetooth 5.0 with a listed unobstructed range of up to 15 metres.
AUX input for a wired audio source.
Rotary main control with long-press power switching.
Reverse-polarity, overheating, overcurrent and short-circuit protection.

Specifications

Power supply: DC 12–24V, 5A or higher.
Compatible speakers: 20–100W, 4–8Ω.
Listed output: less than 50W per left/right channel and less than 100W for the subwoofer.
Input sensitivity: 500mV.
Dimensions: 93 × 90 × 22mm.

Included

One amplifier board and one accessory pack. External antenna and antenna base are not included.

Before connecting

Do not use a 24V battery pack. Use a suitable DC power supply with a power rating above the amplifier's actual demand. Actual output depends on supply voltage and current, speaker impedance and audio input. This is a DIY amplifier board, not a complete speaker system.

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