Look, nobody needs this thing. It's very expensive.
But if you're here reading reviews, you might understand the appeal. This lets you interact with music in a way that other speakers don't. It's not quite an instrument, but it's a lot more than a $650 bluetooth speaker. And if you're interested in messing around with time, loops, weird ambient effects, etc., it's absolutely fantastic - it definitely encourages an active approach to listening to music.
Yes, you can do all of these things with other cheaper setups, but it's the entire package with the spinning knobs and the dials and the lovely sound quality and portability that make it what it is.
Sound quality and build quality are both excellent. So the big question to ask yourself is will the quirks and whimsy of this thing justify the price, and that's totally a personal decision. If you think it will, then go for it. There's nothing like it. I'm really glad I supported this kind of weirdo product design, even at this price point.
If you don't think the features and quality are worth what they're asking, don't buy it. You likely won't have your mind changed when it's in your hands. It is exactly what it's advertised to be.
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From the brand
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The Beauty of Evolution
teenage engineering creates highly acclaimed products for people who love sound, music, and design.
We develop the alternative future of consumer electronics — each invention driven by need, and built to last.
teenage engineering is the creator of OP-1 portable synthesizer / pocket operators / OP-Z multimedia synth and sequencer / computer-1 case / OB-4 magic radio / TX-6 field mixer / and much more.
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Compare with similar items
This Item  teenage engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black |  |  |  | |
| Price | -15% $549.00 List: $649.00 | $599.00 | $39.99 | -13% $34.99 List: $39.99 |
| Delivery | Get it as soon as Sunday, May 12 | Get it as soon as Tuesday, May 14 | Get it as soon as Sunday, May 12 | — |
| Customer Ratings | ||||
| Sound quality | ||||
| Value for money | ||||
| Sold By | Teenage Engineering Inc, USA | Teenage Engineering Inc, USA | Delxo | eTronicspro |
| speaker size | 4 inches | 4 inches | 2 inches | — |
| power source | Corded Electric | Battery Powered | Battery Powered | Battery Powered |
| connectivity tech | Bluetooth | Bluetooth | USB, Bluetooth | Bluetooth, USB |
| speaker type | Bookshelf | Bookshelf | Atmospheric | Subwoofer |
| mounting type | Floor Standing | Floor Standing | Freestanding | Freestanding,Plug Mount |
| weight | 5.4 pounds | — | — | 2 pounds |
| control method | touch, application | application | — | application |
| model name | OB–4 | OB-4 | JQS1220 | — |
| frequency response | — | — | 80 KHz | 20 KHz |
Product Description
All-in-One Radio, Speaker, and Instrument
The teenage engineering OB-4 is a unique speaker that can record, rewind, and loop anything you play through it. It's more than just a simple boom box. Dubbed as the "Magic Radio," OB-4 continuously memorizes everything you listen to on an endless looping tape. You can rewind, time-bend, or loop a radio episode with a flick of your fingertips — just like magic!
Aside from the Bluetooth speaker and FM radio functions, you can explore the experimental features of OB-4's disk mode. The disk mode allows you to play 30 musical mantras, zone out to drone-generated radio snippets, and use the built-in metronome for high-definition stereo recording.
Technical Specifications:
- 2 × 38W Ultra High-Efficiency Class D Amplifier
- 52-25000 Hz Frequency Range
- 3.5 kHz Active Crossover Frequency
- Stereo 2 + 2 Configuration
- Built-In AC 110-240V, 50-60 Hz Power Supply
- Up to 8-72 Hours Battery Life
- Made of Amorphous Polymer Glass Fiber, Reinforced PC & Milled Aluminum
- Main Power Cable & Antenna Included
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HD Speakers with Crystal-Clear "Open" SoundThe OB-4 (Ortho Book 4) is designed to sound fantastic anywhere. It boasts high-efficiency ferrofluid-cooled tweeters and long-throw high-power woofers. The four tailor-engineered neodymium drivers produce a natural stereo sound like no other. |
Wired & Wireless ConnectivityListen to music from your phone or MP3 player using the 3.5mm stereo line input or Bluetooth connectivity. OB-4 supports Bluetooth 5.0 LE and AAC wireless audio codec. Easily sync your Android or iOS device and groove to high-quality audio instantly. |
Integrated Smart AntennaListen to any FM radio station straight through the OB-4. The unit works at 52Hz – 25000Hz frequency range. The spiral antenna neatly integrates into the handle-stand. You can use the extended FM antenna if you require a stronger radio signal. |
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Loop an EpisodeYou can loop a radio show played through OB-4. The media-instrument can record up to 2 hours of music playback. Never miss a thing again. The Magic Radio also features a digital Tape Transport function that allows you to rewind, slow down, and fast forward songs. |
Never Miss a BeatActivate Disk Mode to access the built-in Metronome. You can adjust the tempo from 1-800 BPM. OB-4 can also generate an endless ambient track based on parts of the FM radio using the Ambient function. The last function on Disk Mode is Karma. It offers a collection of mantra sounds. |
Control WirelesslyThe companion orthoplay app enables you to configure the Magic Radio's settings or upgrade its firmware remotely. You can also get teenage engineering's Ortho Remote to wirelessly adjust OB-4's volume level, playlist, or pause music at up to 20 meters distance. |
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| M-1 Personal Monitor | OB-4 Magic Radio | TX-6 Field Mixer | |
| Customer Reviews |
114
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35
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22
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| Price | $79.00 | $549.00 | $1,199.00 |
| Type | Headphones with Built-In and Detachable Microphone | Wireless HIFI Loudspeaker with Radio | 6-Channel Stereo Mixer |
| Connectivity | 3.5mm TRRS Plug | 3.5mm Stereo Line In | 6 × 3.5mm Audio In, 3.5mm AUX Out, 3.5mm Cue Out, 3.5mm Main Out |
| Bluetooth 5 LE, Bluetooth Classic (AAC) | USB-C | ||
| FM Radio | Bluetooth LE Radio Interface | ||
| Other Features | 30mm Dynamic Drivers | 2 x 38W Ultra High Amplifier | 24-bit/48kHz USB Interface |
| 32 Ohm Impedance | Neodymium Tweeter and Woofer | 10 kOhm Impedance | |
| 20Hz - 20kHz Speaker Frequency Response | 52Hz - 25kHz Frequency Response | USB Audio / MIDI Interface Capability | |
| 100Hz - 10kHz Mic Frequency Response | 3.5kHz Active Crossover Frequency | 0dB - 42dB Analog Gain | |
| 92dB Max SPL @ 1m Stereo Configuration | Compatible with iPhone | ||
| 8-72 Hours Battery Life | 8 Hours Battery Life |
Videos
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Teenage Engineering OB-4 Magic Radio Overview
Quantum Networks
Reviews with images
Awesome sound
I am a professional recording and mixing engineer for > 30 yrs….. this thing sounds awesome!! What a perfect package of utility, volume, great sound, and fun!! Perfect product - for example how they designed the handle to hold extra antenna = nice touches everywhere. Very pleased with this item!! I can’t wait for updates around “disk” mode ;)
Top reviews from the United States
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Reviewed in the United States on July 10, 2023
Color: blackVerified Purchase
I am a professional recording and mixing engineer for > 30 yrs….. this thing sounds awesome!! What a perfect package of utility, volume, great sound, and fun!! Perfect product - for example how they designed the handle to hold extra antenna = nice touches everywhere. Very pleased with this item!! I can’t wait for updates around “disk” mode ;)
Images in this review
Top reviews from other countries
Alan
es divertido
Reviewed in Mexico on January 27, 2024Color: blackVerified Purchase
Alan
Reviewed in Mexico on January 27, 2024
Images in this review
Luis Rogelio Ortiz Rojas
Esta increíble, pero venía sin instructivo y sin cable a corriente
Reviewed in Mexico on March 24, 2022Color: blackVerified Purchase
Luis Rogelio Ortiz Rojas
Reviewed in Mexico on March 24, 2022
Images in this review
