Karaoke Reverberation Board – PT2399 Based Audio Mixer
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🎤 Karaoke Reverberation Board – PT2399 Based Audio Mixer
Main Performance
This karaoke module integrates a PT2399 reverberation chip with an NE5532 operational amplifier to deliver high-quality voice and music mixing. Independent controls for music volume, microphone volume, and reverb time allow for a customizable karaoke experience, simulating studio-level echo effects.
Compatible with a wide range of digital amplifier boards, the module can be powered by both DC (12–24V) and AC (5–12V), offering great flexibility and ease of use. Perfect for home studios, DIY karaoke machines, or compact PA systems.
⚠️ Important Note: Only dynamic coil microphones are supported. Capacitive (condenser) and headphone microphones are not compatible.
📦 Specifications
| Parameter | Details |
|---|---|
| Product Name | Karaoke Reverberation Board |
| Input Voltage | DC 12–24V |
| Reverb Chip | PT2399 |
| Op-Amp | NE5532 |
| Microphone Input | 2 dynamic mic inputs |
| Knob Pitch | 24 mm |
| Mic Pitch | 17.6 mm |
| Output Channels | 2 Channels |
| Frequency Response | 25Hz – 17kHz |
| Dimensions | 117 × 53 mm |
| Weight | 75 g |
🔌 Key Features
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🎚️ Independent adjustment of mic/music volume and reverb delay
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🔄 Dual microphone support
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🔋 Flexible DC/AC power input options
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💡 Ideal for karaoke, sound projects, audio testing, or PA systems
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🧩 Compact and lightweight