AMNVOLT mini SI4732 full-band DSP radio, receiver, pocket radio, supports FM AM (MW and SW) and SSB (LSB and USB) modes, upgraded version, built-in headphone amplifier circuit.Advantages of upgrade:1. Brand-new system: supports brightness adjustment, bandwidth adjustment and other ...AMNVOLT mini SI4732 full-band DSP radio, receiver, pocket radio, supports FM AM (MW and SW) and SSB (LSB and USB) modes, upgraded version, built-in headphone amplifier circuit.Advantages of upgrade:1. Brand-new system: supports brightness adjustment, bandwidth adjustment and other functions,2.
Brand-new hardware: supports independent headphone amplifier circuit, and the headphone listening volume is higher3. Using ESP32-S3 main control, 1.9-inch IPS high-definition color screen2. Using SI4732 DSP chip, supports full-band broadcast, LSB USB AM FM mode.3.
Built-in 800 mAh battery, battery life is about 10 hours or more4. Support screen backlight brightness adjustment, battery power display, AGC/ATT5. Built-in 1W power speaker6.
Support firmware upgrade, users can also modify the system by themselves7. Built-in headphone amplifier circuit, the