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Receptor de radio DSP de banda completa AMNVOLT Mini Si4732 ESP32-S3, radio de bolsillo compatible con FM, AM, MW, SW, SSB, LSB, modo USB, versión mejorada con carcasa impresa en 3D.

4.4549

€30.07 / €36.68

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€23.78 / €36.68

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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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 production

Features:

1. Using ESP32-S3 main control, 1.9-inch IPS high-definition color screen
2. 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 more
4. Support screen backlight brightness adjustment, battery power display, AGC/ATT
5. Built-in 1W power speaker
6. Support firmware upgrade, users can also modify the system by themselves
7. 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-S3
Working mode: FM/AM/LSB/USB (note, does not support aviation band)
Receiving frequency band: HF/SW/MW/VHF
Frequency range: LW, MW, SW (150kHz - 30MHz), VHF (64-108Mhz)
Screen: 1.9inch, 170*320 resolution
Charging interface: TYPE-C (cannot use fast charging)
Audio interface: 3.5mm three-band stereo
Antenna interface: SMA-KE (inner hole)
Battery capacity: 800ma

Package includes:
1 x MINI SI4732 radio
1 x Antenna (telescopic antenna/ring rotating antenna optional)

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Receptor de radio DSP de banda completa AMNVOLT Mini Si4732 ESP32-S3, radio de bolsillo compatible con FM, AM, MW, SW, SSB, LSB, modo USB, versión mejorada con carcasa impresa en 3D.

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A part of the review has been auto-translated.

Egil VIP3
NO

25/04/2025

This is a receiver for people that likes to have fun, an at the same time they can learn a lot about coding as you can change and update the receiver firmware if you want. I bought this small receiver to learn how to program the ESP-32 microcontroller.
At the same time I got a very sensitive all-band receiver.

This is a receiver for people that likes to have fun, an at the same time they can learn a lot about coding as you can change and update the receiver firmware if you want. I bought this small receiver to learn how to program the ESP-32 microcontroller. At the same time I got a very sensitive all-band receiver.

This is a receiver for people that likes to have fun, an at the same time they can learn a lot about coding as you can change and update the receiver firmware if you want. I bought this small receiver to learn how to program the ESP-32 microcontroller. At the same time I got a very sensitive all-band receiver.

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BG934164716 VIP1
PL

24/04/2025

Działa tak jak opisano. Dźwięk w słuchawkach jest wystarczająco głośny i wyraźny. Odbiornik sprzętowo jest bez zastrzeżeń. Oprogramowanie v 1.01 ma wadę przy odbiorze LW i zapewne w pozostałych zakresach AM: występuje zakłócenie w postaci piszczenia, które zanika po dotknięciu palcem masy anteny (nakrętki wtyku SMA).

It works as described. The sound in the headphones is loud enough and clear. The hardware receiver is without reservations. Software v 1.01 has a flaw in receiving LW and probably in the other AM ranges: there is an interference in the form of a squeal that disappears when the antenna ground (the nut of the SMA connector) is touched with a finger.

It works as described. The sound in the headphones is loud enough and clear. The hardware receiver is without reservations. Software v 1.01 has a flaw in receiving LW and probably in the other AM ranges: there is an interference in the form of a squeal that disappears when the antenna ground (the nut of the SMA connector) is touched with a finger.

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A part of the QA has been auto-translated.

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Q:
It appears like the URL I wrote down has been repaced with **** instead of what I wrote, so

It appears like the URL I wrote down has been repaced with **** instead of what I wrote, so
It appears like the URL I wrote down has been repaced with **** instead of what I wrote, so

A:

maybe you should contact the customer service.

maybe you should contact the customer service.

Answered by Lovable on 24/04/2025Helpful (0)
0

Q:
I've just received two of these nice little radios. In the User manual you refer to a website, ***** but when trying to connect my browser reports page does not exist. Can you please specify the correct URL, so I can find the info on how to update or change the firmware myself?

I've just received two of these nice little radios. In the User manual you refer to a website, ***** but when trying to connect my browser reports page does not exist. Can you please specify the correct URL, so I can find the info on how to update or change the firmware myself?
I've just received two of these nice little radios. In the User manual you refer to a website, ***** but when trying to connect my browser reports page does not exist. Can you please specify the correct URL, so I can find the info on how to update or change the firmware myself?

A:

what link do you mean, I cannot find it from the page

what lixnk do you mean, I cannot find it from the page

Answered by Haven on 24/04/2025Helpful (0)
0

Q:
does it receive FM HD radio secondary channels?

does it receive FM HD radio secondary channels?
does it receive FM HD radio secondary channels?

A:

Supports FM mode, but not sure whether it supports the specific frequency required

Supports FM mode, but not sure whether it supports the specific frequency required

Answered by Penniferous on 16/04/2025Helpful (0)