ZK-502MT Bluetooth Amplifier Board, 50W+50W with Treble and Bass Control | DC 9-24V, Bluetooth and AUX Inputs, Audio Amp Board for Home Audio DIY Wireless Speakers ZK-502MT
ZK-502MT Bluetooth Amplifier Board, 50W+50W with Treble and Bass Control | DC 9-24V, Bluetooth and AUX Inputs, Audio Amp Board for Home Audio DIY Wireless Speakers
Build Your Own Hi-Fi Stereo System – 2x50W of Clean, Powerful SoundYou don't need to spend hundreds of dollars on a branded amplifier to get great sound. The ZK-502MT is a compact 2.0 channel Class D stereo amplifier board built for DIY audio enthusiasts, makers, and budget-conscious music lovers who want high-quality sound without the high price tag.Whether you're building your first DIY speaker, upgrading an old stereo system, or creating a custom Bluetooth speaker for your workshop, this little board delivers crisp, detailed stereo sound with enough power to fill a room.Why Choose ZK-502MT?High-Quality Hi-Fi Sound – Crystal Clear AudioAt the heart of this amplifier board is a high-performance audio chip with AM interference suppression, delivering excellent sound quality with THD (Total Harmonic Distortion) of less than 0.1% – even during long-term high-power operation. With a signal-to-noise ratio of >90dB, you get clean, noise-free audio across the entire frequency range. Whether you're listening to vocals, instruments, or movie soundtracks, every detail comes through with stunning clarity.2x50W Output – Small Board, Big SoundDon't let the compact size fool you. This 2.0 channel stereo amp delivers 50W per channel (100W total peak output) , easily driving 4-8Ω passive speakers rated from 15W to 100W. Fill your living room, garage, workshop, or backyard with powerful, distortion-free sound. Perfect for bookshelf speakers, floor-standing towers, or custom DIY builds.
Product Features
- Pure Stereo Sound with HiFi-Grade Audio Chip: Equipped with a high-quality HiFi audio chip, this 2.0 channel amplifier delivers crystal-clear stereo sound with ultra-low distortion (THD < 0.1%) . Whether you're listening to music, watching movies, or gaming, you'll experience rich, detailed audio that brings your content to life.
- 2x50W Output: This compact board packs a punch, delivering 50W per channel (100W total) to drive 4-8 passive speakers. Perfect for building your own bookshelf speakers, upgrading home theater systems, or creating a powerful portable sound setup. (Note: Use a DC 9-24V/3A power supply; higher voltage yields higher output).
- Bluetooth 5.0 + AUX Input: Stream music wirelessly from your phone, tablet, or laptop via Bluetooth 5.0 with a stable range of up to 49 feet (15 meters) . Prefer a wired connection? Use the 3.5mm AUX input for zero-latency audio from your TV, PC, or CD player. Two versatile inputs give you total flexibility
- Bass & Treble Controls: Take full control of your audio with independent bass and treble adjustment knobs. Fine-tune the low-end for deep, punchy bass or boost the highs for crisp, clear vocals dial in the perfect sound for any genre or listening preference.
- Built-In Protection & Durable Construction: Engineered with multiple protection circuits including overheat, overcurrent, short circuit, and reverse polarity protection. Features copper DC connectors and fence-type terminals that handle high current without overheating or damaging wires, ensuring long-term reliability. Compact size makes it easy to fit into any enclosure.