The Teenage Engineering OB-4 is a portable Bluetooth-enabled Hi-Fi loudspeaker. It features a 4-inch bass driver and a pair of neodymium tweeters, and can play line-in, Bluetooth, FM radio, and discs at ample volume.
■Portable Hi-Fi Loudspeaker
■2 x 38W
■Bluetooth Music Playback
■Radio
■3.5mm Stereo Mini Input
■Gray
■Frequency Range: 52-25000 Hz
■Dimensions: 232.5 x 284 x 57.5 mm
■Weight: 1.7 kg
■Materials
Amorphous Polymer Glass Fiber
Reinforced Plastic
Rolled Aluminum
■Design Features
Fine-Pitch Tweeter Grille
Easy-Grip, Soft-Touch Handle
Custom Direct-Drive Volume Knob and Tape Dial
■Maximum SPL: 92 db (Peak @ 1m)
■Maximum Bass Level: 104 db SPL (Peak @ 1m)
■Active Crossover Frequency: 3.5 kHz
■Configuration: Stereo 2 Tweeters + 2 Woofers
Tweeter: High-efficiency iron-fluid-cooled neodymium driver
Woofer: Long-throw, high-power-capacity neodymium driver
■Amplifier: 2 x 38W, ultra-efficient Class D
■Wireless Standards:
Bluetooth Classic (AAC)
Bluetooth 5 LE
■FM Radio
■Input Format: 3.5mm stereo mini (2.8Vpp at 0 dBFS)
■Estimated Playback Time: FM radio playback at normal volume: 72 hours
■Bluetooth loud playback: 8 hours
■Power Requirements: AC 110-240V 50-60Hz, universal built-in power supply
■Accessories: Mains power cable, dedicated antenna
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