Si4732 Mini Radio V3 Pocket Shortwave Receiver - Compact All-Band

In this review we look at the Si4732 Mini Radio V3 pocket receiver and who will get the most from it. The bottom line: this tiny all-band radio is aimed at radio hobbyists and outdoors people who want strong reception and flexible audio controls in a palm-sized package; the single biggest reason to buy is its combination of improved firmware tuning plus a built-in Hi-Z circuit and headphone amplifier that deliver noticeably better sound and easier station finding than earlier pocket receivers.

Key Features

• New Firmware 3.0: Enhanced seek sensitivity makes station discovery much faster and more reliable during tuning sessions.
• Built-in Hi-Z Circuit and Headphone Amplifier: Improves sound quality and volume while also helping reception when using headphones or an external high-impedance antenna.
• Configurable Audio and Reception: Adjustable bandwidth, AGC attenuation and soft mute let users tailor audio and reduce noise on weak signals.
• Compact Pocket Design: At roughly 3 x 1.4 x 0.8 in this receiver is easy to carry for fishing, hiking, travel or everyday pocket use.
• Strong Sensitivity and Anti-Interference: ESP32 and SI4732 chips provide robust reception across HF, SW, MW and VHF with minimal digital RFI and few audible birdies.
• Bright Color Display and Long Battery: A 1.9 in IPS screen with adjustable brightness and an 800mAh battery give clear readout and around 10 hours of listening.

Who It's For

This receiver is ideal for shortwave listeners, field operators and travelers who value compact gear with advanced tuning and audio options; the improved seek and adjustable BFO make it a useful tool for SSB and broadcast reception. Portable audio fans who want a small, configurable radio for parks, car trips or light outdoor use will appreciate the headphone amp and long battery life.

It is less suitable for casual users who only want FM stereo in a simple plug-and-play device or for those who require a full-size antenna for reliable long-distance SW reception; some users will still prefer a larger radio with a dedicated external antenna for demanding DX sessions.

Pros & Cons

Pros

• Excellent reception and anti-interference thanks to SI4732 and ESP32 integration.
• Enhanced tuning and seek sensitivity after the Firmware 3.0 update.
• Built-in Hi-Z circuit and headphone amplifier noticeably improve audio and usable volume.
• Compact, lightweight design with a bright 1.9 in IPS screen and solid battery life.

Cons

• Included telescopic antenna may be small for some SW and AM listening situations and users may opt for an external antenna for best results.
• Audio and display clarity received mixed feedback from users, so expectations should be modest given the unit size.

Specifications

Our Verdict

The Si4732 Mini Radio V3 is a strong choice for enthusiasts who want a true all-band pocket receiver with advanced tuning, a useful headphone amplifier and a crisp color display in a very small package. It offers exceptional value for portable use and field listening, though serious DXers may prefer a larger setup and external antenna for the weakest signals.

Frequently Asked Questions

Does it support SSB modes?
Yes, the receiver supports LSB and USB with an adjustable BFO for fine tuning SSB conversations and signals.

How long does the battery last?
The internal 800mAh battery provides about 10 hours of typical listening on a single charge, depending on volume and display brightness.

Is the antenna good enough for shortwave DX?
The included telescopic antenna works for many situations, but external or Hi-Z antennas will improve SW and AM reception for demanding DX work.