Si4732 For Mini Radio, V4 For ATS SI4732 Full-Band For DSP

V4 For ATS SI4732 Full-Band For DSP Radio Receiver

Si4732 For Mini Radio, V4 For ATS SI4732 Full-Band For DSP Radio Receiver, FM AM SSB All Band Radio Receiver Built-in 1W Power Cavity Speaker For Outdoor Adventure, Travel And Daily Use(ABS)

Features:

1. The Si4732 receiver section has been shielded to suppress electromagnetic interference; an ESD protection device has been added to the antenna input to protect the chip.

2. The Hi-Z circuit has been moved to the front end of the antenna path and uses a more stable VCC_RADIO power supply to preserve signal resonance and reduce noise.

3. Added the function of using wired headphones as an FM antenna (requires a strong FM signal and a relatively long headphone cable for optimal performance).

4. The left and right channels have been swapped; and speaker parameters have been readjusted to improve sound quality.

5. Replaced with more expensive and superior components: a more robust and telescopic antenna, and a better-feeling, non-slip knob cap.

6. Employs an for ESP32-S3 main control chip + SI4732 for DSP chip, supporting ALL Band broadcast, LSB USB AM FM modes, and AGC/ATT functions.

7. Features a 1.9-inch IPS high-definition color screen, supports screen backlight brightness adjustment, and battery level display.

8. Built-in 1W power cavity speaker, delivering loud and clear sound quality.

9. Supports firmware upgrades to the latest version; the factory-installed firmware version is at least VER.2.3.1 (Due to frequent firmware updates, please update to the latest firmware according to the instruction manual after receiving the product to maintain the latest user experience.)

10. Built-in headphone circuit, providing loud volume when listening with headphones.

11. Built-in Hi-Z circuit, improving weak signal resolution.

12. Uses the for ESP32 module ( for ESP32-S3-WROOM-1-N16R8), not the counterfeit modules used in other cloned models.

Specifications:

Part Name: Si4732 V4 Radio

Material: ABS

Color: Black

Size: As shown

– Model (Hardware Version): V4

– Housing Material: CNC metal or ABS injection molded material, two materials available

– Main Controller: ESP-32-S3

– Operating Modes: FM/AM/LSB/USB

  • [ALL BAND MODE SUPPORT]: The Si4732 V4 radio pairs an S3 main controller with the SI4732 to support FM/AM/LSB/USB reception plus AGC and ATT functions, delivering flexible full-band tuning and stable demodulation for hobbyists and shortwave listeners.
  • [HIGH IMPEDANCE SIGNAL PATH]: Receiver selded to suppress , antenna input fitted with ESD protection, and the Z circuit moved to the antenna front end with a dedicated VCC_RADIO to preserve resonance and reduce noise for improved weak-signal .
  • [BRIGHT IPS DISPLAY]:1.9 inch IPS color screen shows station details and battery level, offers adjustable backlight for day or night use, and ergonomic controls with a non-slip knob cap for precise tuning.
  • [ENHANCED AUDIO PERFORMANCE]: Built-in 1W speaker with tuned cavity delivers loud, clear playback; dedicated headphone circuit increases headphone output and supports using wired headphones as an FM antenna when the signal is strong and cable is long.
  • [ROBUST COMPONENT UPGRADE]: : Available in CNC metal or ABS housing with an upgraded telescopic antenna and refined internals; supports firmware upgrades (factory firmware at least VER.2.3.1) – update per the manual to access new features.
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SKU: B0GHMMP92J
Dimensions: 16 x 11 x 4 cm; 160 g
Model: H42U069DK1T661VI91K1EQU87
Manufacture: YUANGANG

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