AMNVOLT Mini Si4732 Radio ESP32-S3 Pocket Radio Full Band DSP Receiver Support FM AM MW SW SSB LSB USB Mode Upgraded Ver

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 hardware structure adding independent headphone amplifier circuit solving the problem of low headphone volume in the first generation 2 Brand new system Added screen brightness adjustment function worry free outdoor use added quick access to volume adjustment page function added power digital display function added bandwidth adjustment function etc 3 High quality production process Some manufacturers mix inferior accessories in the old version and we use all new parts for productionFeatures 1 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 volume is loud when listening with headphones the 1st generation product does not have a headphone amplifier circuit and the volume is very low when using headphones Parameters Master control ESP 32 S3Working mode FM AM LSB USB note does not support aviation band Receiving frequency band HF SW MW VHFFrequency range LW MW SW