Audiophile Choice76% MarginMW75 Active Noise-Cancelling Headphones
Custom 40mm Beryllium drivers with tempered glass & lambskin
Iconic Design73% Gross Profit Margin
Lifetime / Official Warranty
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Hassle-free return policy if not 100% satisfied
Teenage EngineeringAudio Tech
OB-4 Magic Sound Machine & Radio
High-fidelity stereo speaker with live loop recording
$649.00● In Stock (11 units available)
Free standard shipping & carbon neutral courier on this item.
Overview
Part high-fidelity portable speaker, part live audio instrument. The OB-4 plays from Bluetooth, 3.5mm line-in, or FM radio while continuously memorizing everything you listen to on a rolling 2-hour tape loop. Rewind, pitch-shift, loop, and remix live audio using the motorized optical volume knob.
Key Highlights & Craftsmanship
- ✓Two 4-inch bass drivers + two neodymium tweeters delivering 38W per channel
- ✓Continuous 2-hour audio buffer for instant scrubbing and looping
- ✓Motorized analog smart interface knob with optical sensor
- ✓72-hour battery life on standard radio playback (8 hours at max volume)
- ✓Ambient drone synth and metronome disk modes built-in
Technical Specifications
FrequencyResponse52 Hz – 25,000 Hz
Amplification2 x 38W Class D Ultra-efficient
MaxSPL100 dB @ 1 meter stereo
BatteryUp to 72 hours (FM) / 40 hours (Bluetooth)
Dimensions23.25 x 28.4 x 5.75 cm
Weight1.7 kg
Curated Complements
