The magic radio.

What’s all the hocus pocus about?
To on an endless looping tape*. Rewind, time-bend, and loop at the flick of your fingertips. On purpose or by accident. Instant rewind on the radio is just one of the OB-4’s magic tricks.
Natural sound
Four tailor-engineered speaker elements deliver pure quality sound and a stereo field that fills the entire room. A flow-optimised bass reflex duct delivers deep natural bass.
72 hrs listening
How about 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.
The wireless part
The OB–4 hardware platform supports both high-definition bluetooth classic and bluetooth low energy standards. Works with ortho-remote for wireless volume control.

Smart Antenna
We’ve spent years fiddling with the antenna so you won’t have to. And for those tricky listening places, we’ve included a fine-tuned smart spiral antenna that neatly integrates into the handle.
Motorized user interface
Use your fingers to grab, spin and interact with the sound. Digital-motion-controlled volume knob and tape reel. We call it the next level of user experience.

Turn your mind on with disk mode
The handle-stand

SPECIFICATIONS
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| Amplifiers | |
| Drivers | |
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| Bluetooth | |
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| Wi-Fi | |
| Radio Tuner |
| Inputs |
| Battery Chemistry | |
| Estimated Battery Life |
| AC Input Power |
| Color | |
| Media/Memory Card Slot | |
| Material | |
| Dimensions (W x H x D) | |
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