SI4732 Mini Radio Receiver Amnvolt V3S V4 Battery Powered Radios with Built-in Headphone Amplifier Hi-Z Support LSB USB AM FM Full Band Pocket Size (V4 CNC)

YJIPOWA's Amnvolt series V3S and V4 SI4732 mini radio is endowed with built-in headphone amplifier and Hi-Z that highly enhance your listen experience and resolved the problem of low volume signal of normal version of fm radio receiver. There are two antennas including loop one and pull rod so that you don't have to make a choiceThis battery powered radio features ESP32-S3 main control, updated firmware and 1.9inch IPS color display, providing excellent visibility in various lighting conditions and enhancing your overall listening experience. The brightness is adjustable and battery power is visiableThanks to SI4732 chip equipped, this portable shortwave radio receiver supports AM, FM, LSB, and USB modes across all frequency bands that you can always listen to your favorite broadcasts. AGC/ATT function is supportedWith a built-in 800 mAh rechargeable battery, the pocket radio allows you to enjoy up to 10 hours of continuous playtime so that you can stay entertained during long trips or outdoor adventuresSI4732 all band radio receiver features a portable loop antenna that enhances reception capabilities for frequencies up to 108 MHz, ensuring optimal sound quality wherever you are. The mini radio is easy to use with one single button for all functionsV4 enjoys a shield added to the Si4732 receiver to suppress electromagnetic interference; an ESD device added to the antenna input to protect the chip. Hi-Z circuit has been moved to the front of the antenna path and a more stable VCC_RADIO power supply has been used to preserve signal resonance and reduce noiseA wired headphonescan be used as an FM antenna for Amnvolt V4 mini portable radio (this requires use in an environment with a strong FM signal and a long headphone cable for optimal performance). The left and right audio channels of YJIPOWA V4 battery powered radio have been swapped; the amplifier and speaker parameters have also been re-adjusted to improve sound qualityMain control unit: ESP-32-S3Chip: SI4732Modes: FM/AM/LSB/USBFrequency: HF/SW/MW/VHFFrequency range: LW, MW, SW (150kHz - 30MHz)，VHF(64-108Mhz)Display: 1.9inch，170*320Brightness: 32~255 adjustableCharge port: TYPE-C (quick charge not support)Audio port: 3.5mmAntenna port: SMA-KEFirmware: LatestBattery: 800maHeadphone Amp: Built-inHi-Z: Built-inPackage Included:YJIPOWA Radio x 1Loop Antenna x 1Pull Rod x 1

• YJIPOWA's Amnvolt series V3S and V4 SI4732 mini radio is endowed with built-in headphone amplifier and Hi-Z that highly enhance your listen experience and resolved the problem of low volume signal of normal version of fm radio receiver. There are two antennas including loop one and pull rod so that you don't have to make a choice
• This battery powered radio features ESP32-S3 main control, updated firmware and 1.9inch IPS color display, providing excellent visibility in various lighting conditions and enhancing your overall listening experience. The brightness is adjustable and battery power is visiable
• Thanks to SI4732 chip equipped, this portable shortwave radio receiver supports AM, FM, LSB, and USB modes across all frequency bands that you can always listen to your favorite broadcasts. AGC/ATT function is supported
• With a built-in 800 mAh rechargeable battery, the pocket radio allows you to enjoy up to 10 hours of continuous playtime so that you can stay entertained during long trips or outdoor adventures
• SI4732 all band radio receiver features a portable loop antenna that enhances reception capabilities for frequencies up to 108 MHz, ensuring optimal sound quality wherever you are. The mini radio is easy to use with one single button for all functions
• V4 enjoys a shield added to the Si4732 receiver to suppress electromagnetic interference; an ESD device added to the antenna input to protect the chip. Hi-Z circuit has been moved to the front of the antenna path and a more stable VCC_RADIO power supply has been used to preserve signal resonance and reduce noise
• A wired headphonescan be used as an FM antenna for Amnvolt V4 mini portable radio (this requires use in an environment with a strong FM signal and a long headphone cable for optimal performance). The left and right audio channels of YJIPOWA V4 battery powered radio have been swapped; the amplifier and speaker parameters have also been re-adjusted to improve sound quality