OHM RAD-S798Z AM/FM Shower Radio

OHM RAD-S798Z AM/FM Shower Radio — image 1
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OHM RAD-S798Z AM/FM Shower Radio — image 3
OHM RAD-S798Z AM/FM Shower Radio — image 4
OHM RAD-S798Z AM/FM Shower Radio — image 5
OHM RAD-S798Z AM/FM Shower Radio — image 6
OHM RAD-S798Z AM/FM Shower Radio — image 7
OHM RAD-S798Z AM/FM Shower Radio — image 8
70%
30%
78%
Water Resistance
84%
Ease of Use
58%
Reception Quality
52%
Sound Quality
71%
Build Quality
76%
Battery Life
73%
Mounting & Placement
61%
Value for Money
66%
Wide FM Support
81%
Setup Experience
74%
Portability
69%
Design & Aesthetics
More

Overview

The OHM RAD-S798Z AM/FM Shower Radio is a no-fuss bathroom radio from OHM Electric, a Japanese brand with a long track record in affordable consumer electronics. Designed to handle the wet, humid conditions of a bathroom without drama, it carries an IPX4 splash-proof rating, meaning it handles water spraying from any direction — but it is not submersible, so keep it away from direct immersion. It hangs neatly from a hook or rod using its built-in strap, runs entirely on AA batteries, and takes up very little space. For anyone wanting a simple, dedicated bathroom radio, it covers the basics reliably.

Features & Benefits

What makes this shower radio practical rather than just functional starts with the hanging strap antenna — it doubles as the FM antenna, so where you hang it actually affects reception quality. The front-facing rotary knobs are a genuine convenience in a wet environment; no touchscreens to fail, no menus to navigate. The 40mm speaker is small, so do not expect room-filling sound, but it handles speech and moderate-volume music comfortably in a compact bathroom. Battery life sits around 26 hours on both AM and FM, and wide FM support is included — a feature relevant mainly to users in Japan where supplementary FM broadcasting is widely used.

Best For

This bathroom radio is a natural fit for anyone who wants a reliable audio companion in the shower without involving a phone or a Bluetooth speaker that constantly needs charging. It suits people who appreciate physical knob controls — particularly useful with wet hands, or for those who find digital interfaces unnecessarily complicated. The hanging design keeps it off surfaces and out of the way, making it ideal for smaller bathrooms with limited shelf space. It is also worth noting for buyers in Japan, where wide FM reception adds real value. Those expecting high-fidelity audio or USB charging will need to look elsewhere.

User Feedback

With 110 ratings averaging 3.4 out of 5, the OHM bath radio lands in solidly mixed territory. Satisfied buyers tend to praise its compact size, ease of setup, and the fact that it performs reliably in a wet environment without fuss. On the critical side, AM and FM reception quality comes up fairly often — and since the antenna is built into the hanging strap, your results will vary depending on your home layout. A few buyers have noted the instruction manual is not guaranteed in English, which matters for non-Japanese-speaking users. No USB charging means keeping spare batteries stocked at all times.

#Shower Radios
#Compact Radios & Stereos
#Home Audio
#Electronics

Pros

  • IPX4 splash-proof rating means it handles bathroom humidity and water spray without issue.
  • Physical rotary knobs are genuinely practical for tuning with wet or soapy hands.
  • The hanging strap doubles as an FM antenna, solving both mounting and reception in one simple design.
  • Battery life of around 26 hours means you are not swapping cells constantly.
  • Compact and lightweight at under 6 ounces, it adds nothing bulky to a small bathroom.
  • Wide FM support adds real value for buyers using it in Japan.
  • No pairing, no apps, no setup — just hang it up, load batteries, and tune in.
  • The all-white design is visually unobtrusive and fits most bathroom aesthetics cleanly.

Cons

  • The 40mm speaker delivers modest audio quality; do not expect much bass or high volume.
  • No USB charging port means you need to keep spare AA batteries on hand at all times.
  • Reception quality varies significantly depending on your location and how the strap is positioned.
  • The instruction manual is not guaranteed in English, which can frustrate non-Japanese-speaking users.
  • IPX4 is splash-proof only — placing it directly in the water stream risks damage over time.
  • No Bluetooth or wireless connectivity, so you cannot stream from a phone or other device.
  • Wide FM support is mainly relevant in Japan; international buyers gain little from that feature.
  • At a mid-range price, the audio performance may feel underwhelming compared to competing options.

Ratings

The scores below for the OHM RAD-S798Z AM/FM Shower Radio were generated by our AI after analyzing verified buyer reviews from multiple global markets, with spam, bot activity, and incentivized feedback actively filtered out. The result is an honest, data-driven picture of where this bathroom radio genuinely delivers and where it falls short. Both the strengths that keep buyers happy and the frustrations that drove mixed ratings are reflected transparently in each category.

Water Resistance
78%
22%
Most buyers feel confident using this shower radio in a steamy, humid bathroom environment, and the IPX4 rating holds up well against daily mist and the occasional splash from the sink or showerhead. For typical bathroom conditions, the protection level is considered sufficient and reliable over time.
A meaningful number of users expect full waterproofing and are surprised to learn IPX4 does not cover submersion or direct water stream exposure. Buyers who hang it too close to the shower spray have reported moisture-related issues, suggesting placement discipline matters more than the rating implies.
Ease of Use
84%
The front-facing rotary knobs are consistently praised for being intuitive and easy to operate with wet or soapy hands — no menus, no Bluetooth pairing, no app required. Buyers who just want to hang it up, load batteries, and tune in report a genuinely frictionless experience from the start.
The lack of any digital display means you cannot confirm the exact frequency you are tuned to, which frustrates users who prefer precise station selection. For buyers used to digital presets, manually hunting for a station using an analogue knob can feel dated.
Reception Quality
58%
42%
In homes and apartments with solid AM or FM signal strength, the integrated strap antenna does a reasonable job of pulling in clear audio. Buyers in urban areas with strong local stations tend to be more satisfied with the reception performance.
Reception is one of the most commonly cited frustrations in user reviews. Because the antenna is the hanging strap itself, signal quality is heavily dependent on where and how the unit is positioned, and in locations with weak over-the-air signals, no amount of repositioning fully compensates.
Sound Quality
52%
48%
For spoken-word content like news, talk radio, or podcasts broadcast over AM and FM, the 40mm speaker is functional enough in a compact bathroom. At moderate volume, voice clarity is acceptable for casual background listening during a morning routine.
Music lovers are regularly disappointed by the thin, bass-light output of the small single speaker. The audio lacks depth and struggles at higher volumes, and buyers who compare it to even modestly priced Bluetooth bathroom speakers find the sonic experience noticeably underwhelming.
Build Quality
71%
29%
The overall construction feels solid enough for a mid-range bathroom accessory, and the lightweight plastic housing does not feel fragile during daily handling. Several buyers note that the unit holds up well over months of bathroom use without cosmetic or structural degradation.
The plastic finish shows fingerprints and water spots more readily than expected for a white-bodied unit, and a few users have noted the rotary knobs feel slightly loose after extended use. It does not feel premium, but it holds together adequately for its intended context.
Battery Life
76%
24%
Around 26 hours of battery life on standard alkaline AAs is a genuine practical advantage — for users who shower once a day, that typically translates to several weeks between battery changes. Buyers who use it for 15 to 20 minutes daily report rarely needing to think about battery replacement.
The lack of a rechargeable option or USB charging port is a recurring complaint, particularly among buyers accustomed to modern wireless audio accessories. Keeping a supply of AA batteries stocked adds an ongoing cost and inconvenience that some users find frustrating over time.
Mounting & Placement
73%
27%
The hanging strap design keeps the unit off wet surfaces and frees up shelf space, which buyers with smaller bathrooms particularly appreciate. The strap is versatile enough to loop over towel bars, shower curtain rods, and wall hooks without requiring any tools or hardware.
The strap-as-antenna design means you cannot reposition the radio without potentially affecting FM reception, which limits your flexibility in bathroom layout. Users who want to place it on a shelf or countertop rather than hang it will find the form factor less convenient.
Value for Money
61%
39%
For buyers who specifically need a simple, no-frills splash-resistant AM/FM radio for the bathroom, the core function is delivered at a price that feels reasonable. The long battery life and IPX4 protection mean it does cover the basics without requiring frequent replacement.
At its price point, the mixed reception quality and modest sound output make it harder to recommend enthusiastically when competing Bluetooth shower speakers offer significantly better audio performance for similar or lower cost. International buyers who cannot use wide FM lose one of the few differentiating features.
Wide FM Support
66%
34%
For buyers in Japan where wide FM supplementary broadcasting is actively used, this feature adds real, tangible value by unlocking additional stations that older FM-only radios cannot receive. It is a meaningful specification for its primary target market.
Outside Japan, wide FM support is essentially a non-feature — international buyers gain nothing practical from it, yet it likely contributes to the product's price positioning. This makes the unit feel narrowly optimized for one geographic market at the expense of broader international appeal.
Setup Experience
81%
19%
Getting this bathroom radio operational takes under two minutes — load three AAs, loop the strap over a hook or rod, and turn the tuning knob. There are no apps to install, no networks to join, and no configuration steps that could go wrong.
The instruction manual is not guaranteed in English, which can be a sticking point for non-Japanese-speaking buyers who run into any questions about the battery compartment or tuning range. Most users will not need the manual, but it is an unnecessary friction point for a globally sold product.
Portability
74%
26%
At under 6 ounces without batteries, this shower radio is light enough to move between bathrooms or take traveling without much thought. The compact footprint means it packs easily and does not add noticeable weight to a bag.
Battery dependency makes portability somewhat less convenient than it appears — traveling means carrying spare AAs, and there is no way to top up the charge from a USB port the way you would with a rechargeable device. The hanging-only form factor is also less flexible in hotel or temporary setups.
Design & Aesthetics
69%
31%
The clean white body and rounded form factor are visually unobtrusive and blend naturally into most bathroom environments without looking out of place. The compact proportions mean it does not dominate the space visually when hung near the shower area.
The all-white-only color option limits personalization, and the utilitarian knob layout reads as functional rather than thoughtfully styled. Buyers looking for a more polished or modern-looking bathroom accessory may find the aesthetic a little dated compared to more design-conscious alternatives.

Suitable for:

The OHM RAD-S798Z AM/FM Shower Radio is a solid pick for anyone who wants a straightforward, dedicated bathroom radio without the hassle of pairing devices or worrying about charging a phone near water. It works especially well for people who prefer tactile, physical knob controls — wet hands and touchscreens do not mix, and the front-facing rotary design addresses that problem practically. Older users or those who simply want to tune in and forget about it will appreciate how uncomplicated the whole experience is. The hanging strap keeps it elevated off wet surfaces, which suits compact bathrooms with minimal shelf space. Buyers based in Japan will get the most out of it, since wide FM supplementary broadcasting is a real bonus in that market.

Not suitable for:

The OHM RAD-S798Z AM/FM Shower Radio is not the right choice for buyers expecting strong, room-filling audio — the 40mm speaker is functional, but it is a small driver with real limits on volume and richness. Anyone looking for a Bluetooth option or a USB-rechargeable device will need to shop elsewhere, as this runs entirely on AA batteries with no wireless connectivity whatsoever. The IPX4 rating protects against splashing, but it does not make this bathroom radio safe for submersion or for placement directly in the shower stream, so placement matters. International buyers should also be aware that the instruction manual is not guaranteed in English, which may cause setup friction. If AM and FM reception in your area is already poor, the antenna-in-strap design is unlikely to fully compensate for weak local signals.

Specifications

  • Brand: Manufactured by OHM Electric (オーム電機), a well-established Japanese consumer electronics brand.
  • Model Number: The model designation for this unit is RAD-S798Z.
  • Dimensions: The radio measures 4.69″ in length, 2.24″ in width, and 5.83″ in height (119 x 57 x 148 mm).
  • Weight: The unit weighs approximately 5.5 oz (155g) without batteries installed.
  • Water Resistance: Rated IPX4, meaning it is protected against water splashing from any direction but is not submersible.
  • Power Source: Requires 3 x AA batteries (sold separately); there is no USB or AC power option.
  • Battery Life: Delivers approximately 26 hours of playback on both AM and FM using standard alkaline AA batteries at medium volume.
  • Radio Bands: Receives AM frequencies from 530 to 1605 kHz and FM frequencies from 76 to 108 MHz.
  • Wide FM Support: Compatible with wide FM (supplementary FM broadcasting), primarily relevant for use in Japan.
  • Speaker Size: Equipped with a single built-in speaker measuring 1.6 inches (40mm) in diameter.
  • Controls: Features front-facing rotary knobs for power, volume, and tuning — no digital display or touchscreen.
  • Mounting Type: Hanging type; includes a strap for suspending the unit from a hook, towel bar, or shower rod.
  • FM Antenna: The FM antenna is integrated into the hanging strap, so antenna position is determined by where the unit is hung.
  • Color: Available in white only.
  • Release Date: This model was first made available in May 2023.
  • Instruction Manual: Includes an instruction manual with warranty card; English language content is not guaranteed.

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FAQ

Not really — the IPX4 rating means it can handle water splashing from any direction, but it is not designed to be soaked or placed in a direct stream of water. Think of it as splash-proof rather than waterproof. Hang it somewhere nearby where it catches mist and the occasional splash, but not a sustained flow.

No, batteries are sold separately. You will need three AA batteries to power it up before use. Standard alkaline AAs are recommended for the best battery life.

OHM rates this shower radio at around 26 hours of use on both AM and FM at medium volume using alkaline batteries. Real-world results can vary depending on volume level and battery brand, but it should last several weeks of typical daily shower listening before needing a change.

Wide FM is a supplementary broadcasting format used in Japan that extends FM coverage to frequencies between 90 and 108 MHz. If you are using this bathroom radio outside Japan, wide FM is essentially irrelevant to you — standard FM and AM will still work fine, but the wide FM feature adds nothing practical for international users.

Reception quality depends heavily on your location and how you hang the unit, since the FM antenna is built into the hanging strap. In areas with decent FM signal strength, it performs adequately. In locations with weak signals or inside buildings with thick walls, you may find yourself adjusting the strap angle to improve reception.

The unit is designed specifically to hang via its built-in strap, which also functions as the FM antenna — so replacing or bypassing the strap could affect both mounting stability and reception quality. A hook, towel bar, or shower rod works best for the intended hanging setup.

OHM does not guarantee an English-language manual with this product. The included documentation is primarily in Japanese. If you are comfortable with basic radio controls (power, volume, tuning knobs), you likely will not need the manual much, but it is worth knowing upfront if detailed setup guidance matters to you.

The 40mm speaker produces enough volume for a small to medium bathroom during a quiet shower. It is not going to fill a large space or compete with loud water noise at high flow rates. For moderate-volume background listening — news, talk radio, music — it does the job fine, but it is not a powerful speaker by any standard.

No, this is a purely analogue AM and FM radio with no Bluetooth, Wi-Fi, or any wireless connectivity. If you want to stream from your phone or a music service, this unit is not the right fit — it only receives over-the-air AM and FM broadcasts.

A quick wipe-down with a damp cloth should handle routine bathroom residue without any issues. Just avoid submerging it or running water directly over any gaps, ports, or battery compartment seals to stay within the IPX4 protection limits.