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

Description

• 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.
• Crystal-Clear Loud Audio: The portable AM FM radio receiver's 1W acoustic chamber speaker produces bright, powerful sound, while the dedicated ear amp circuit ensures dynamic volume and great clarity through your headphones.
• 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.
• Firmware Upgradable & Authentic Module: The Si4732 DSP radio allows hassle-free upgrades to the latest firmware for optimal use and comes equipped with genuine ESP32-S3-WR OOM-1-N16R8 module, guaranteeing original quality for lasting performance.

Specification:
Please Attention:
1. Headphones are not included in the shipping list. The headphones shown in the picture are only for demonstrating the FM antenna function. Please provide your own headphones!
2. If you choose the metal casing version, the aluminum alloy material has a certain shielding effect on radio electromagnetic signals. While improving reception performance, it can also weaken the Wi-Fi signal strength. Please be aware of this before purchasing.

V4 Upgrade Contents:
1. Added shielding to the Si4732 receiver section to suppress electromagnetic interference; added ESD protection chip to the antenna input.
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 environment and a relatively long headphone cable for optimal performance).
4. Left and right channels have been swapped; amplifier and speaker parameters have been readjusted to improve sound quality.
5. Replaced with more expensive and superior components: a more solid and sturdy telescopic antenna, and a better-feeling, knob .

Brand: AMNVOLT
Model (Hardware Version): V4
Product Dimensions: Approx. 80x35x20mm / 3.15x1.38x0.79 (inch)
Main Control: ESP-32-S3
Operating Modes: FM/AM/LSB/USB (Note: Does not support aviation bands)
Receiving Bands: HF/SW/MW/VHF
Frequency Range: LW, MW, SW (150kHz - 30MHz), VHF (64-108MHz)
Screen: 1.9inch, 170*320 resolution
Screen Brightness: 32~255 levels, adjustable
Charging Port: TYPE-C (Cannot be charged with a fast charger)
Audio jack: 3.5mm three-segment stereo
Antenna jack: SMA-KE (internal)
Battery capacity: 800mAh
Casing material: Metal (CNC-machined aluminum alloy)

Note:

Shipping and Returns

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