Overview

The MiOYOOW DIY Bluetooth FM Radio Speaker Kit is one of those rare projects that rewards you with something genuinely useful when you're done soldering. At its core, it's a through-hole PCB kit that assembles into a working desktop speaker — compact enough at roughly 5.8 by 3.18 inches to sit comfortably on a desk without taking over your workspace. The dual appeal is real: you get a legitimate learning experience during the build, and an actual functioning gadget afterward. That said, this soldering kit isn't designed for absolute beginners. If you've never held an iron before, expect a steep curve.

Features & Benefits

Once assembled, the DIY speaker kit handles audio from multiple sources — Bluetooth (pairing under the name JQ BT), USB drives, TF cards, or a standard 3.5mm aux cable. The built-in FM radio is a genuine highlight, with auto channel scanning that stores found stations and a power-off memory so your last station loads on restart. A digital display keeps you informed of mode, volume, and radio frequency at a glance. Twelve color LEDs pulse along with music, and a sensitivity dial on the back panel lets you tune how reactive they are. The included remote control handles volume, mode, and channel switching without touching the unit.

Best For

This FM radio build kit is best suited to middle and high school students tackling a STEM electronics project, or hobbyists who want a satisfying weekend build with a practical result at the end. It also makes a thoughtful gift for a teenager who's curious about electronics but hasn't committed to a full course yet. Maker spaces and after-school coding clubs will find it useful for hands-on audio circuit practice. If you're an adult hobbyist who's soldered a few things before and wants a low-stakes project that actually produces something fun, this kit checks that box without demanding a huge time or money commitment.

User Feedback

Across 121 ratings, the kit holds a 4-out-of-5-star average, and the pattern in reviews is pretty consistent. Most buyers come away happy with the build process and pleasantly surprised that the finished speaker actually works well enough for casual listening. The LED light effect draws a lot of positive mentions — people genuinely don't expect it to look that good. On the downside, the paper manual gets criticized fairly often for being vague; the workaround is to scan the QR code and use the downloadable PDF instead, which is clearer. A few reviewers also caution that rushing the soldering can damage components, so patience matters here.

Pros

  • Finished build is a genuinely functional Bluetooth speaker, not just a shelf decoration.
  • FM radio with auto-scan and power-off memory adds real everyday utility beyond just Bluetooth.
  • Through-hole soldering format is ideal for students learning PCB assembly techniques.
  • The 12 reactive LEDs look surprisingly impressive and add a fun visual element to the finished unit.
  • Supports four input types — Bluetooth, USB, TF card, and 3.5mm aux — giving you real flexibility.
  • Included remote control is a practical bonus that many buyers didn't expect at this price tier.
  • Compact assembled size fits easily on a desk without hogging workspace.
  • Digital display clearly shows mode, volume, and FM frequency at a glance.
  • LED sensitivity can be adjusted on the back panel, which is a small but thoughtful touch.
  • Strong value proposition as both a learning project and a usable gadget when complete.

Cons

  • The printed instruction manual is frequently reported as vague and hard to follow.
  • Speaker audio quality is modest at best — not a replacement for a dedicated Bluetooth speaker.
  • Requires prior soldering experience; true beginners risk damaging components during assembly.
  • The PDF manual accessed via QR code is better, but relying on a workaround isn't ideal.
  • No rechargeable battery option — USB power only limits where you can use it after assembly.
  • Component labeling on the board can be small and difficult to read without good lighting.
  • Build errors are hard to reverse once solder is applied, raising the stakes for less experienced builders.
  • Documentation has reportedly lagged behind hardware revisions, causing some confusion with updated board versions.

Ratings

Our AI rating system analyzed verified global buyer reviews for the MiOYOOW DIY Bluetooth FM Radio Speaker Kit, actively filtering out incentivized and bot-generated feedback to surface what real users actually experienced. The scores below reflect a transparent picture of both where this soldering kit genuinely delivers and where it falls short — no sugar-coating, no spin.

Build Experience
83%
The assembly process is consistently described as rewarding and satisfying by buyers who approached it with patience. Most found the through-hole format approachable enough to complete in a single afternoon, and the moment the finished speaker powers on for the first time carries a genuine sense of accomplishment.
The experience drops significantly for anyone without prior soldering practice. A handful of buyers reported damaged components from overheating joints, and without a reliable manual to guide pacing, beginners can run into trouble before they realize it.
Instruction Quality
51%
49%
The downloadable PDF manual accessed via the QR code is notably more detailed than the paper version and has helped many buyers recover when the printed guide left them confused. For those who find and use it early, the build goes considerably more smoothly.
The paper manual included in the box is widely criticized for being vague and, in some cases, out of date with the current board revision. Relying on a QR code workaround to get adequate instructions is a real friction point that consistently shows up in negative reviews.
Audio Quality
58%
42%
For casual desk listening, the finished speaker produces clear enough sound at moderate volumes, and buyers using it for background music during work or study generally find it adequate. The FM radio reception in particular gets positive mentions for being cleaner than expected.
Anyone expecting meaningful bass response or higher volume output will be disappointed — this is not a competitive audio product. The speaker driver is modest by design, and the kit's value is firmly rooted in the build process rather than the acoustic result.
LED Visual Effect
88%
The 12 reactive LEDs consistently outperform buyer expectations, drawing enthusiastic comments about how lively and dynamic they look during music playback. The back-panel sensitivity dial lets you fine-tune the reactivity, which is a thoughtful touch that adds real personalization to the finished product.
The LEDs are purely a visual novelty and serve no functional purpose beyond aesthetics. A small number of buyers found the flashing effect distracting in quieter environments, and the color pattern cannot be customized beyond the sensitivity adjustment.
Feature Set
79%
21%
For a kit at this price tier, the breadth of input options is genuinely impressive — Bluetooth, USB, TF card, and 3.5mm aux cover nearly every use case a desk speaker needs. The FM radio with auto-scan and station memory adds practical daily utility that goes well beyond a novelty project.
Bluetooth range and stability are not documented clearly, and a few buyers noted occasional dropout at modest distances. The USB power-only design also limits where the assembled speaker can actually be used, which feels like a missed opportunity for a portable-capable build.
Remote Control
76%
24%
The included remote is a genuine and frequently praised bonus — being able to switch modes and adjust volume without touching the unit makes the finished speaker feel more like a real consumer product. Buyers who mentioned it almost universally described it as an unexpected plus.
Infrared remotes require line-of-sight, which limits usability if the speaker is tucked behind a monitor or angled away. The remote itself feels lightweight and inexpensive, and its range has not been formally rated.
Value for Money
81%
19%
Considering you get a functional Bluetooth speaker, FM radio, LED display, and a hands-on soldering project all in one package, the price-to-content ratio is hard to fault. For students or gift-givers, this soldering kit represents solid value as both an educational tool and a finished gadget.
Buyers who prioritize audio performance over the build experience may feel let down, since a comparable ready-made speaker would sound better at the same price. The value proposition is only strong when the project aspect is genuinely part of what you are paying for.
Digital Display
74%
26%
The real-time display showing mode, volume, and FM frequency is a practical usability feature that helps the finished device feel polished and complete. Buyers appreciated not having to guess the current volume level or radio station during use.
The display is functional but basic, and the text can be small depending on viewing angle. No brightness adjustment is available, which could be mildly annoying in very dark desktop environments where even low display glow is noticeable.
Component Quality
67%
33%
For a budget electronics kit, most components arrive intact and usable, and buyers who soldered carefully reported no defective parts. The PCB itself is cleanly printed with clear enough labeling to identify most components under decent lighting.
A few buyers flagged components with inconsistent tolerances or labeling that did not match the manual, which caused confusion during assembly. The overall component grade is acceptable for a learning kit but would not pass muster in a production electronics context.
Packaging & Unboxing
72%
28%
Components arrive organized and reasonably well-protected, and the inclusion of both a paper manual and QR code access to a PDF shows some effort toward a complete buyer experience. The kit format makes the unboxing feel intentional rather than just a bag of loose parts.
The paper manual's quality control undermines an otherwise decent unboxing. Some buyers also noted that small components were loose in packaging in a way that made inventory-checking before starting the build a necessary first step.
Ease of Bluetooth Setup
77%
23%
Once the kit is assembled, pairing via Bluetooth is straightforward — search for JQ BT on any phone or tablet and connect. Buyers found this part of the post-build experience intuitive and quick, with no app or account required.
The Bluetooth module does not support modern profiles like aptX or AAC, so audio quality over wireless is limited. There is also no visual confirmation beyond the display that pairing was successful, which briefly confused a small number of first-time users.
Educational Value
86%
As a learning tool, the DIY speaker kit covers a meaningful range of real-world electronics concepts — component identification, through-hole soldering technique, circuit function, and signal flow. Students who complete it walk away with tangible skills applicable to future projects.
The educational depth is bounded by the kit's complexity, which is intermediate rather than advanced. Experienced electronics students may find it too simple, while true beginners may not absorb the theory without a guided instructor present.

Suitable for:

The MiOYOOW DIY Bluetooth FM Radio Speaker Kit is a strong fit for anyone who wants a hands-on electronics project that actually produces something worth keeping. It's particularly well-suited to middle and high school students working through STEM coursework, since the through-hole soldering format mirrors real-world PCB assembly techniques. Hobbyists who've dabbled with a soldering iron before and want a low-pressure weekend project will find the scope just right — challenging enough to be satisfying, not so complex that it demands advanced skills. Parents searching for a gift that pulls a tech-curious teenager away from passive screen time will appreciate that this kit demands focus and problem-solving. Maker spaces, electronics clubs, and classroom instructors can also use it as a practical teaching tool for audio circuits and component identification.

Not suitable for:

The MiOYOOW DIY Bluetooth FM Radio Speaker Kit is not the right choice if you're expecting a premium audio experience — the speaker output is adequate for casual background listening, but it won't impress anyone used to quality Bluetooth speakers. Complete soldering beginners should also think carefully before buying; without at least a basic understanding of component placement and heat management, there's a real risk of damaging parts during assembly. If your main goal is a reliable desktop speaker rather than the build process itself, you'd get better sound quality spending a similar amount on a finished product. The paper instruction manual has frustrated a number of buyers, and while the downloadable PDF is more helpful, the documentation situation overall isn't as polished as it could be. Anyone expecting plug-and-play simplicity should look elsewhere entirely.

Specifications

  • Manufacturer: This kit is made by MiOYOOW and was first listed for sale in March 2023.
  • Model Number: The official model number for this kit is GY20950-2.
  • Assembled Size: Once fully built, the speaker measures approximately 5.8″ x 3.18″ x 2.68″.
  • Package Size: The retail box measures 6.5 x 4.37 x 3.9 inches and weighs 13.1 ounces.
  • Soldering Type: All components use through-hole (thru-hole) soldering, meaning leads pass through PCB holes and are soldered on the underside.
  • Connectivity: The finished speaker supports Bluetooth, USB drive, TF card (microSD), and 3.5mm aux input.
  • Bluetooth ID: The Bluetooth pairing name broadcast by the device is JQ BT.
  • Radio: Built-in FM radio includes automatic channel scanning and power-off memory to retain the last-used station.
  • LED Lights: Twelve color LEDs are mounted in a row and pulse reactively to audio, with adjustable sensitivity via a back-panel dial.
  • Display: A digital screen on the unit shows the current playback mode, volume level, and FM radio frequency in real time.
  • Remote Control: An infrared remote control is included and supports volume adjustment, input mode switching, and FM channel navigation.
  • Power Source: The assembled speaker is powered via USB, with no built-in rechargeable battery option.
  • Documentation: A printed paper manual is included in the box, with a QR code linking to a more detailed downloadable PDF version.
  • Customer Rating: The kit holds an average rating of 4.0 out of 5 stars based on 121 customer ratings on Amazon.
  • Sales Rank: It ranks at approximately number 21,961 in the Electronics category and number 107 in Audio Component Amplifiers.

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FAQ

Yes, at least some basic soldering ability is genuinely recommended. This is not a beginner kit in the strictest sense — if you have never held a soldering iron, you risk damaging components. A couple of hours of practice soldering on scrap boards before starting would go a long way.

You will need a soldering iron, solder wire, and ideally a pair of flush cutters to trim component leads. A helping-hands tool or PCB holder also makes the process much easier, though it is not strictly required.

Honest answer: it is decent for background listening, not impressive by audio enthusiast standards. The speaker output is functional and clear enough for a desk, but do not expect deep bass or high volume. The build experience and LED visuals are the real draws here, not audiophile-grade sound.

It depends heavily on the child. If they have some experience with electronics or crafting and a patient adult to help with soldering, it can work. For unsupervised younger children, the soldering requirement makes it a safety concern. The kit is generally better suited to teens and adults.

Yes, and this comes up often in buyer feedback. The paper manual can be vague, especially for the updated Bluetooth board version. Scan the QR code printed in the manual to download the PDF version, which is more detailed and reflects any recent hardware revisions.

Yes, as long as your device has a 3.5mm headphone output, you can connect it directly using an aux cable. Alternatively, any Bluetooth-enabled device can pair to it wirelessly by searching for JQ BT in the Bluetooth settings.

Press the mode button to switch into FM radio mode, then press the play/pause button to trigger an automatic scan. The kit will search for available stations in your area and save them sequentially as P01, P02, P03, and so on. It also remembers your last station after a power cycle.

The included infrared remote lets you adjust volume, switch between input modes such as Bluetooth, USB, or FM radio, and navigate saved FM channels. It is a handy addition that several buyers mention as a pleasant surprise, since it saves you from reaching over to the unit constantly.

For someone with moderate soldering experience, expect roughly two to four hours for a careful, unhurried build. Rushing is where most assembly mistakes happen, so setting aside a relaxed afternoon is a better approach than trying to finish it quickly.

Once soldered, the components are permanently attached to the PCB in the traditional sense — this is not a snap-together kit you can take apart and redo. That said, individual components can technically be desoldered and replaced if you have the right tools and skills, but the kit is primarily designed as a one-time build project.