ZK‑502MT Bluetooth 5.0 High‑Power Stereo Amplifier Board – 2 × 50 W (2.0 Channel) with Dedicated Subwoofer/Bass Boost

Specification:Bluetooth Version: 5.0, 15 m (open field)Audio Channels: 2.0 Stereo (Left + Right)Output Power: 2 × 50 W @ 24 V / 4 ΩSupply Voltage: DC 9 V – 24 V (≥5 A recommended)Audio Inputs: Bluetooth, 3.5 mm AUX (line‑in)Impedance Range: 4 Ω – 8 Ω speakersSignal‑to‑Noise Ratio: ≥ 90 dBBass Enhancement: Independent low‑frequency boost circuitProtection: Over‑voltage, over‑temperature, short‑circuitPCB Size: 70 mm × 50 mm × 18 mmDescription :The ZK‑502MT is a compact, high‑efficiency Class‑D amplifier board that delivers a robust 50 watts per channel while streaming loss‑free audio over Bluetooth 5.0. A dedicated bass‑enhancement stage adds punch to subwoofers, making this module perfect for bookshelf speakers or DIY boom boxes. Simply connect a 9‑24 V DC supply, pair your phone, or feed music through the AUX jack, and enjoy clean, low‑distortion sound. Built‑in protections guard against shorts, overheating, and over‑voltage, ensuring reliable operation whether in a home studio, vehicle, or portable project box.Application:DIY Bluetooth bookshelf or desktop speaker buildsUpgrading passive car door speakers to a powered systemPortable boom boxes and battery‑powered party speakersHome theater PC or arcade cabinet audio amplificationClassroom or workshop demonstrations of Class‑D audio tech

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Specification:

1. Bluetooth Version: 5.0, 15 m (open field)
2. Audio Channels: 2.0 Stereo (Left + Right)
3. Output Power: 2 × 50 W @ 24 V / 4 Ω
4. Supply Voltage: DC 9 V – 24 V (≥5 A recommended)
5. Audio Inputs: Bluetooth, 3.5 mm AUX (line‑in)
6. Impedance Range: 4 Ω – 8 Ω speakers
7. Signal‑to‑Noise Ratio: ≥ 90 dB
8. Bass Enhancement: Independent low‑frequency boost circuit
9. Protection: Over‑voltage, over‑temperature, short‑circuit
10. PCB Size: 70 mm × 50 mm × 18 mm

Description :

The ZK‑502MT is a compact, high‑efficiency Class‑D amplifier board that delivers a robust 50 watts per channel while streaming loss‑free audio over Bluetooth 5.0. A dedicated bass‑enhancement stage adds punch to subwoofers, making this module perfect for bookshelf speakers or DIY boom boxes. Simply connect a 9‑24 V DC supply, pair your phone, or feed music through the AUX jack, and enjoy clean, low‑distortion sound. Built‑in protections guard against shorts, overheating, and over‑voltage, ensuring reliable operation whether in a home studio, vehicle, or portable project box.

Application:

1. DIY Bluetooth bookshelf or desktop speaker builds
2. Upgrading passive car door speakers to a powered system
3. Portable boom boxes and battery‑powered party speakers
4. Home theater PC or arcade cabinet audio amplification
5. Classroom or workshop demonstrations of Class‑D audio tech

ZK‑502MT Bluetooth 5.0 High‑Power Stereo Amplifier Board – 2 × 50 W (2.0 Channel) With Dedicated Subwoofer/Bass Boost

670 BDT780 BDTSave 110 BDT

Total sold : 13

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Specification:

1. Bluetooth Version: 5.0, 15 m (open field)
2. Audio Channels: 2.0 Stereo (Left + Right)
3. Output Power: 2 × 50 W @ 24 V / 4 Ω
4. Supply Voltage: DC 9 V – 24 V (≥5 A recommended)
5. Audio Inputs: Bluetooth, 3.5 mm AUX (line‑in)
6. Impedance Range: 4 Ω – 8 Ω speakers
7. Signal‑to‑Noise Ratio: ≥ 90 dB
8. Bass Enhancement: Independent low‑frequency boost circuit
9. Protection: Over‑voltage, over‑temperature, short‑circuit
10. PCB Size: 70 mm × 50 mm × 18 mm

Description :

The ZK‑502MT is a compact, high‑efficiency Class‑D amplifier board that delivers a robust 50 watts per channel while streaming loss‑free audio over Bluetooth 5.0. A dedicated bass‑enhancement stage adds punch to subwoofers, making this module perfect for bookshelf speakers or DIY boom boxes. Simply connect a 9‑24 V DC supply, pair your phone, or feed music through the AUX jack, and enjoy clean, low‑distortion sound. Built‑in protections guard against shorts, overheating, and over‑voltage, ensuring reliable operation whether in a home studio, vehicle, or portable project box.

Application:

1. DIY Bluetooth bookshelf or desktop speaker builds
2. Upgrading passive car door speakers to a powered system
3. Portable boom boxes and battery‑powered party speakers
4. Home theater PC or arcade cabinet audio amplification
5. Classroom or workshop demonstrations of Class‑D audio tech