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KT404C Voice Chip Sound IC Module Solution|MP3 Decode|USB Programmable - $1 (Shenzhen)
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🔹 Supports TF Card, SPI Flash, U Dis
🔹 Voice Updates via MiniUSB, No Software Required
🔹 Supports Power-On Auto Loop-Playback
🔹 30-Level Volume Control
🔹 5-Band EQ Adjustment
🔹 24-bit DAC Output
🔹 MP3, WAV Music Playback
🔹 Voice Prompts or Alarm
🔹 Voice Broadcast
🔹 Flexible Control Mode:Parallel Port | UART | AD Button Control
Perfect for:
✅ Consumer Electronics: Electronic Toys & Greeting Cards, Alarm Clocks & Timers, Calculators & Measurement Tools
✅ Automotive & Transportation: Vehicle Alerts & Warnings, Public Transport Announcements
✅ Industrial & Safety Equipment: Machinery Status Alarms, Security Systems
✅ Healthcare & Accessibility: Medical Devices, Assistive Devices for Visually Impaired
✅ Home Appliances & Utilities: Smart Kitchen Devices, Utility Meters
✅ Retail & Public Services: Self-Service Kiosks, Queue Management Systems
✅ Agriculture & Environment Monitoring: Weather Stations & Sensors, Irrigation Alert
Functional parameters
1. Supports Sampling Rates (KHz): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48.
2. 24-bit DAC Output, Dynamic Range: 90dB, Signal-to-Noise Ratio (SNR): 85dB.
3. SPI Flash Support Up to 16MB, Example ICs: W25Q16 [2MB], W25Q128 [16MB].
4. Flexible Control mode: Parallel port mode, Serial UART mode, AD button control mode.
5. Voice Updates via MiniUSB interface, no software required, Compatible with XP/Win7 systems.
6. Combined Playback Function: Enables time/temperature announcements, Cost-effective alternative to TTS solutions.
7. 30-Level Volume Control, 5-Band EQ Adjustment (Currently disabled).
8. Compatible with various types of external amplifiers,e.g. 3W, 5W, 10W.
9. Supports Power-On Auto Loop-Playback.
10. Multi-Storage Media Support: USB drives, TF cards, ultra-compact SPI flash.
Visit https://www.aliexpress.com/item/1005008814979156.html for details or technical resources download.
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