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Soundchips

Boost your product’s audio capabilities with NVD OTP soundchips—industrial-grade, cost-effective, and optimized for fast production. Offering crystal-clear 12-bit PWM sound, up to 340 seconds of voice, flexible control modes, and ultra-low power usage, these chips are the smart choice for manufacturers. Available in SOP8 and COB packages. No MOQ, ready in 1 day!

Smart OTP Soundchips for Industrial Voice Solutions

soundchips

Make Your Product Difference with Industrial-Grade OTP Soundchips

Looking for a cost-effective, high-performance, and factory-ready audio solution? Say hello to the NVD Series OTP Soundchips—the newest innovation from Guangzhou Nine Chip Electronic Technology Co., Ltd. Built for mass production, these chips deliver crystal-clear sound, stable performance, and minimal power consumption, making them a game-changer for manufacturers across industries.

Built for Speed, Stability & Simplicity

Designed with a powerful 4-bit RISC CPU, advanced 12-bit PWM audio, and MIDI-quality 4-channel playback, NVD OTP soundchips are engineered to outperform at a price point close to traditional mask chips—without the MOQ limitation. With up to 340 seconds of voice capacity, ultra-fast delivery (as little as 1 day), and multiple packages (SOP8, SSOP24, COB), NVD chips reduce R&D time while boosting production efficiency.

Flexible Control Options:

  • One-wire / two-wire serial
  • I/O key trigger
  • BUSY signal output

Output Directly to Speaker or Buzzer

  • Pure 12-bit PWM sound
  • Supports 8Ω/0.5W speaker
  • Sampling rate from 6k to 44k

Everything You Need in One Chip

Whether you’re designing smart home devices, medical electronics, consumer gadgets, or security systems, NVD OTP soundchips offer unmatched value. Highlights include:

  • Voice Length Options: 16s / 32s / 80s / 170s / 340s
  • Compact Power Needs: 2.0V–5.5V operating voltage
  • Tiny Standby Current: <5uA
  • 8 or 16-level volume control
  • Built-in LVR and watchdog timer
  • Wide temperature tolerance & low EMI

From massagers to blood pressure monitors, doorbells to toys, these chips are ready to elevate your product’s voice system.

Upgrade Your Audio, Stay Ahead of Competition

Don’t let outdated or overpriced audio chips hold your project back. Get the unbeatable combination of price, performance, and production speed with NVD Series OTP Soundchips.

📦 Ready to ship in just 1 day

🔧 No MOQ—ideal for prototyping & mass production

📞 Contact us today to request free samples or a quote

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