AMNVOLT V4 ATS MINI Radio IPS Screen Si4732 DSP Radio AM FM

AMNVOLT V4 ATS MINI Radio IPS Screen Si4732 DSP Radio AM FM Receiver (Plastic) (StyleA)

AMNVOLT V4 ATS MINI Radio IPS Screen Si4732 DSP Radio AM FM Receiver (Plastic) (StyleA)

Specification:
Origin: Mainland China
Important Notice:
1. Headphones are not included in the shipment. The headphones shown in the image are for demonstrating FM antenna functionality only. Please provide your own headphones!
2. If you have selected the metal casing version, please be aware that the aluminum alloy material provides some shielding against wireless electromagnetic signals. While this enhances interference resistance, it may also weaken -Fi signal strength. Please acknowledge this before purchasing.

V4 Upgrade Details:
1. Added shielding cover to the Si4732 receiver section to suppress electromagnetic interference; incorporated ESD protection chips at the antenna input for enhanced .
2. Relocated the Hi-Z circuit to the front end of the antenna path and adopted a more stable VCC_RADIO power supply to preserve signal resonance and reduce noise.
3. Added functionality to use wired headphones as an FM antenna (requires use in environments with strong FM signals and sufficiently long headphone cables for optimal performance).
4. Left and right channels have been swapped; amplifier and speaker parameters have been recalibrated to enhance audio quality.
5. Upgraded to higher-quality components: a more sturdy telescopic antenna and a better-feeling, non-slip knob .

Brand: AMNVOLT
Model (Hardware Version): V4
Housing Material: ABS injection-molded plastic
Main Controller: ESP-32-S3
Operating Modes: FM/AM/LSB/USB (Note: Does not support aeronautical bands)
Receiving Bands: HF/SW/MW/VHF
Frequency Range: LW, MW, SW (150kHz – 30MHz), VHF (64-108MHz)
Display: 1.9-inch, 170*320 resolution
Display Brightness: 32~255 levels, adjustable
Charging Port: TYPE-C (cannot be charged with fast chargers)
Audio Jack: 3.5mm 3-pin stereo
Antenna Connector: SMA-KE (female)
Battery Capacity: 800mAh
Housing Material: Plastic

  • Comprehensive Frequency Coverage: With the AMNVOLT V4 ATS MINI radio using ESP32-S3 and SI4732 DSP, you gain access to global all-band broadcasts plus LSB USB AM FM capabilities, offering unmatched signal versatility on the go.
  • High-Definition Visuals: Boasting a full-band DSP radio design with a 1.9-inch IPS screen, users profit from backlight brightness adjustments and prominent battery status, for any lighting condition or usage scenario.
  • Rich, Resonant Audio Output: This portable AM FM radio receiver is fitted with a 1W power speaker for striking sound output, and includes a solid earphone amplifier to ensure powerful, crisp headphone listening.
  • Advanced Weak Signal Decoding: Leveraging a Hi-Z circuitry, these LSB USB transistor pocket radios deliver improved sensitivity in challenging environments for a sturdy listening experience wherever you are.
  • Effortless Firmware Maintenance: The Si4732 DSP radio's factory firmware (minimum VER.2.3.1) supports -click upgrades for up-to-date features, and its authentic ESP32-S3-WR OOM-1-N16R8 core guarantees consistent, top-quality performance.
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SKU: B0G2LNBN9C

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