Price: $599.00
(as of May 06, 2021 12:30:16 UTC – Details)

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

HD Speakers with Crystal-Clear “Open” Sound

The 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 Connectivity

Listen 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 Antenna

Listen 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.

Loop an Episode

You 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 Beat

Activate 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 Wirelessly

The 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.

DELIVERS CRYSTAL-CLEAR STEREO SOUND – The Magic Radio uses two 38W ultra-high-efficiency class D amp to produce open natural sounds with a deep natural bass. It is equipped with 4″ bass drivers, neodymium tweeters, and a flow-optimized bass reflex.
LISTEN ALL-DAY – Play tracks from your audio device via Bluetooth or thru the 3.5mm line-level audio input. You can also listen to an FM station for up to 72 hours. Use the integrated antenna within the handle, or the extended antenna for better signals.
EXPLORE ‘DISK MODE’ – The Disk has 3 functions: ambient, karma, and metronome. Select AMBIENT to generate an endless ambient track based on parts of the FM radio, KARMA for playing a 30-in-1 musical mantra box, and METRONOME, which goes 1 BPM up to 800.
REWIND, TIME-BEND, AND LOOP – The onboard Tape Transport allows you to rewind, slow down, or fast forward a song from the FM station, line-input, or Bluetooth device. OB-4 records up to 2 hours. You can also loop anything you play through the Magic Radio.

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