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:
- Bluetooth Version: 5.0, 15 m (open field)
- Audio Channels: 2.0 Stereo (Left + Right)
- Output Power: 2 × 50 W @ 24 V / 4 Ω
- Supply Voltage: DC 9 V – 24 V (≥5 A recommended)
- Audio Inputs: Bluetooth, 3.5 mm AUX (line‑in)
- Impedance Range: 4 Ω – 8 Ω speakers
- Signal‑to‑Noise Ratio: ≥ 90 dB
- Bass Enhancement: Independent low‑frequency boost circuit
- Protection: Over‑voltage, over‑temperature, short‑circuit
- 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:
- DIY Bluetooth bookshelf or desktop speaker builds
- Upgrading passive car door speakers to a powered system
- Portable boom boxes and battery‑powered party speakers
- Home theater PC or arcade cabinet audio amplification
- 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
Specification:
- Bluetooth Version: 5.0, 15 m (open field)
- Audio Channels: 2.0 Stereo (Left + Right)
- Output Power: 2 × 50 W @ 24 V / 4 Ω
- Supply Voltage: DC 9 V – 24 V (≥5 A recommended)
- Audio Inputs: Bluetooth, 3.5 mm AUX (line‑in)
- Impedance Range: 4 Ω – 8 Ω speakers
- Signal‑to‑Noise Ratio: ≥ 90 dB
- Bass Enhancement: Independent low‑frequency boost circuit
- Protection: Over‑voltage, over‑temperature, short‑circuit
- 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:
- DIY Bluetooth bookshelf or desktop speaker builds
- Upgrading passive car door speakers to a powered system
- Portable boom boxes and battery‑powered party speakers
- Home theater PC or arcade cabinet audio amplification
- Classroom or workshop demonstrations of Class‑D audio tech
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