---
product_id: 621050756
title: "OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White)"
brand: "teenage engineering"
price: "€ 1214.50"
currency: EUR
in_stock: true
reviews_count: 9
category: "Teenage Engineering"
url: https://www.desertcart.sk/products/621050756-ob-4-portable-bluetooth-wireless-stereo-speaker-with-fm-radio
store_origin: SK
region: Slovakia
---

# FM + Bluetooth BLE 38W stereo power 72h battery life OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White)

**Brand:** teenage engineering
**Price:** € 1214.50
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your soundscape—where power meets play in one sleek, portable boombox.

## Quick Answers

- **What is this?** OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White) by teenage engineering
- **How much does it cost?** € 1214.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/621050756-ob-4-portable-bluetooth-wireless-stereo-speaker-with-fm-radio)

## Best For

- teenage engineering enthusiasts

## Why This Product

- Trusted teenage engineering brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultimate On-the-Go Design:** Glossy white, lightweight with a built-in handle doubling as a stand, plus a smart spiral antenna for boosted FM reception—style meets portability.
- • **Room-Filling 38W Stereo Power:** Experience crystal-clear sound with dual 4'' bass drivers and neodymium tweeters delivering deep, natural bass that commands attention.
- • **Unmatched 72-Hour Battery Life:** Keep the vibe alive all week with up to 72 hours of FM radio or 8 hours of max-volume playback on a single charge—freedom to roam without limits.
- • **Seamless Multi-Mode Connectivity:** Switch effortlessly between FM radio, aux line-in, high-def Bluetooth, and BLE, plus control wirelessly via the Orthoplay app or remote.
- • **Interactive Sound Remixing Experience:** Rewind, loop, and remix your audio with intuitive digital-motion controls and tape reel interface—turn your speaker into a creative instrument.

## Overview

The Teenage Engineering OB–4 is a premium portable Bluetooth stereo speaker featuring 38 watts of stereo power through dual 4'' bass drivers and neodymium tweeters, delivering rich, room-filling sound. It offers versatile connectivity including FM radio, aux input, and both high-definition Bluetooth and Bluetooth Low Energy. With an industry-leading rechargeable battery providing up to 72 hours of FM playback or 8 hours at max volume, it’s designed for all-day, anywhere use. The OB–4 also doubles as a creative tool with interactive digital-motion controls and tape-loop remixing features, all housed in a stylish glossy white chassis with a built-in handle and smart antenna for enhanced portability and reception.

## Description

desertcart.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White) : Electronics

Review: A tad pricey but well-built and extremely versatile...Price justified - I own a handful of items that Teenage Engineering has released and this one is hands down the most versatile. Whether you're recording/playing music and using this as your audio output or just doing chores and whistling while you work, or looking to have a blissful atmospheric sound playing ambience for you...This has it all. And I find this to be the one I go back to often. If I had one gripe about it, is the lack of options in the app that can also be accompanied. You don't need to use the app to use this device at all. And the other gripe might be, that I find the the bluetooth's latency to be a bit laggy at times. But other than that, I love the output volume, which tends to rest in a bit more bass-heavy space. I take this thing everywhere in the house, from the garage to the office to the living room to the kitchen, when I'm showering...You name it. I've run Pocket Operators and the EP K.O. II through it and it sounds pitch perfect. I can't recommend this enough.
Review: cost is steep, may make you overthink its actual quality/usecase - this is a nice speaker that was made to be much more than a speaker, and at first when i got it, was very displeased, as sounds on it were just much much different than what i have used for years past; but this is largely in part with I am using lower-mid grade speakers and this is not that. First of all, this thing is a BOOM BOX. I cannot really play any of my black metal / heavy metal / anything metal louder than 35% in my apartment before it exceeds all over devices sound. You can feel the music at all sound levels. Truly. Which i find to be very unique. And this is much more than a speaker, and if you dont read the possiblities of what this does before hand, you will be a bit sad when you consider the price to speaker. but this is an instrument. full fledged, with 2 hours of playback on the tape, mixxing up some of the craziest sounds from just random radio snipets / song snipets, along with scratching, speeding up, slowing down, changing pitch, looping, etc. you have to take some time to learn all these functions as you have 4 Human interface inputs on the device with about 16 or more actions associated with them, being a combination of a button held here and dial moved there, two buttons, etc. comes with good documentation on all the use-case. oh and this battery is the best of any bluetooth speaker ive ever seen with the quality of sound putting out. i have left it on for two days playing music off and on while always atleast connected to BT before it tends to show me red on the light and that means charge it. would be good for parties, and is a sturdy device. but high value, and small. easy to steal so dont set it down!

## Features

- high quality audio – listen to crystal clear sound through two 4'' bass drivers and a pair of neodymium tweeters, a flow-optimised bass reflex duct delivers deep natural bass. all together you get 38 watts per channel — that's around 100 decibels of incredible sounding stereo that fills the entire room.
- versatile connectivity – in addition to fm radio and line-in (aux), OB–4 supports both high-definition wireless bluetooth and bluetooth low energy (ble). it also works with ortho remote for wireless volume control or use the orthoplay app, available on both iOS and android. compatible with all of your favorite music streaming services, including spotify and apple music.
- 72 hours of battery life – a long lasting battery gives you 72 hours of normal radio listening for a week without charging. the high capacity lipo battery delivers about 8 hours of noise at max volume, or an average of 40 hours on a single charge.
- magic user experience – OB–4 memorizes everything you play on an endless looping tape. rewind the radio and remix anything. use your fingers to grab, spin and interact with the sound with the digital-motion controlled volume knob and tape reel. disk mode is where new and experimental features are stored for OB–4. for now, there are three functions on the disk; ambient, karma and metronome.
- ultimate portability – the handle makes it easy to carry OB–4 anywhere, and can even be used as a stand. place the included smart spiral antenna antenna in the handle when you need an extra fm boost. if that's not enough, you can find custom fit OB–4 carry bags and carry straps available in a variety of colors.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVNMYL45 |
| Audio Driver Type | Dynamic Driver |
| Battery Capacity | 15000 Milliamp Hours |
| Best Sellers Rank | #1,476 in Portable Bluetooth Speakers #30,241 in MP3 & MP4 Player Accessories |
| Color | glossy white |
| Compatible Devices | Smartphone, Tablet, Laptop |
| Control Method | App |
| Customer Package Type | FFP |
| Customer Reviews | 4.0 4.0 out of 5 stars (74) |
| Date First Available | February 14, 2024 |
| Department | All Ages |
| Global Trade Identification Number | 07350073033553 |
| Included Components | US power adapter |
| Is Waterproof | FALSE |
| Item Weight | 5.57 pounds |
| Item model number | TE011AS |
| Manufacturer | teenage engineering |
| Material | Metal, Plastic |
| Model Name | OB-4 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 2.26"D x 9.15"W x 11.18"H |
| Recommended Uses For Product | Bluetooth, Wireless, on-the-go, nature, home, outdoors, indoors, event, party |
| Shape | Rectangular Prism |
| Speaker Size | 4 Inches |
| Speaker Type | stereo |
| Special Feature | Portable |
| Specific Uses For Product | Portable/Outdoor Use, Home Entertainment, Relaxation/Entertainment |
| Surround Sound Channel Configuration | 2.0 |
| Warranty Type | Limited |
| Wireless Communication Technology | Bluetooth |
| Woofer Diameter | 4 Inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Teenage Engineering
- **Connectivity Technology:** Bluetooth
- **Mounting Type:** Floor Standing
- **Speaker Maximum Output Power:** 38 Watts

## Images

![OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White) - Image 1](https://m.media-amazon.com/images/I/61yma1I8GXL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ A tad pricey but well-built and extremely versatile...Price justified
*by D***K on March 10, 2025*

I own a handful of items that Teenage Engineering has released and this one is hands down the most versatile. Whether you're recording/playing music and using this as your audio output or just doing chores and whistling while you work, or looking to have a blissful atmospheric sound playing ambience for you...This has it all. And I find this to be the one I go back to often. If I had one gripe about it, is the lack of options in the app that can also be accompanied. You don't need to use the app to use this device at all. And the other gripe might be, that I find the the bluetooth's latency to be a bit laggy at times. But other than that, I love the output volume, which tends to rest in a bit more bass-heavy space. I take this thing everywhere in the house, from the garage to the office to the living room to the kitchen, when I'm showering...You name it. I've run Pocket Operators and the EP K.O. II through it and it sounds pitch perfect. I can't recommend this enough.

### ⭐⭐⭐⭐⭐ cost is steep, may make you overthink its actual quality/usecase
*by J***E on July 2, 2023*

this is a nice speaker that was made to be much more than a speaker, and at first when i got it, was very displeased, as sounds on it were just much much different than what i have used for years past; but this is largely in part with I am using lower-mid grade speakers and this is not that. First of all, this thing is a BOOM BOX. I cannot really play any of my black metal / heavy metal / anything metal louder than 35% in my apartment before it exceeds all over devices sound. You can feel the music at all sound levels. Truly. Which i find to be very unique. And this is much more than a speaker, and if you dont read the possiblities of what this does before hand, you will be a bit sad when you consider the price to speaker. but this is an instrument. full fledged, with 2 hours of playback on the tape, mixxing up some of the craziest sounds from just random radio snipets / song snipets, along with scratching, speeding up, slowing down, changing pitch, looping, etc. you have to take some time to learn all these functions as you have 4 Human interface inputs on the device with about 16 or more actions associated with them, being a combination of a button held here and dial moved there, two buttons, etc. comes with good documentation on all the use-case. oh and this battery is the best of any bluetooth speaker ive ever seen with the quality of sound putting out. i have left it on for two days playing music off and on while always atleast connected to BT before it tends to show me red on the light and that means charge it. would be good for parties, and is a sturdy device. but high value, and small. easy to steal so dont set it down!

### ⭐ Poor battery life, poorly designed effects, decent sounding speakers and loops
*by J***S on June 17, 2025*

I'm giving this a 1 for a very good reason. This is advertised as a "long battery life speaker" promise you it'll last you 72 hours. Don't know if a faulty battery was put into mine but I can easily get 30 minutes fully charged before dying which is disappointing because I thought this would be perfect for a mobile synth rig but false I can't use it without it being plugged in. My other criticism is that I feel like the effect aren't fun and poorly designed and I'm mainly referencing the "ambient mode" I thought it would be something fun maybe add reverb or delays kind of like a pedal but no it is just a ambient synth track that bleeds into your audio which really takes away from the creativity and really just defeats the purpose. Other than that it does sound really good. $600 good? Not quite more like $200 good but yeah the loops are cool too but still over priced. So the takeaway? Poor battery life, poorly designed effects and you get a decent sounding speaker that does loops I guess. Id retail this for $200 not $600

## Frequently Bought Together

- Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 72 Hour Battery Life (Glossy White)
- teenage engineering Field Small Bag with Front Pocket for Cables and Hook-and-Loop Straps, Tear and Abrasion Resistant, Water-Repellent, fits TX–6, CM–15, or TP–7
- Teenage Engineering field large nylon bag with secure front pocket for cables and hook-and-loop straps, tear and abrasion resistant, water-repellent, fits OP–XY, OP-1 field and original OP-1 (white)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-06*