Teenage Engineering OB-4 Black portable high-fidelity Bluetooth loudspeaker

Teenage Engineering OB-4 Black portable high-fidelity Bluetooth loudspeaker Teenage Engineering OB-4 Black Portable High-Fidelity Bluetooth Loudspeaker | Ultra-thin ‘orthobook’ design with powerful, room-filling sound. OB-4 is a portable high-fidelity loudspeaker combining ultra-slim form with a surprisingly wide and dynamic soundstage. Built for everyday use and long listening sessions, it offers multiple inputs, long battery life and a distinctive rotating handle that doubles as a stand. Ultra-thin. Ultra-powerful. OB-4 is an ultra-thin ‘orthobook’ Bluetooth® loudspeaker with a sound that feels much larger than its compact form. Designed by Teenage Engineering for high-performance portable audio, it delivers deep low end, detailed mids and clear, open highs for a natural listening experience that fills the room. Four speakers. Full dynamics. Inside OB-4 you’ll find four tailor-engineered speaker elements: two long-throw woofers and two neodymium tweeters. A flow-optimised bass reflex duct produces deep, natural bass, while the stereo image stays wide and spacious despite the ultra-slim enclosure. Listen your way. Play anything through OB-4: Bluetooth, FM radio, stereo line-in or Disk Mode. With support for Bluetooth Classic and Bluetooth 5 LE, it’s ready for high-quality wireless audio streaming and remote volume control through the ORTHO PLAY app. The iconic rotating handle. The signature rotating handle is more than a design detail: it houses an extended FM antenna, works as a carry handle and doubles as a stand for angled listening. Portable, functional and instantly recognisable. 72 hours of FM. 40 hours of Bluetooth. Powered by a high-capacity Li-ion battery, OB-4 delivers up to 72 hours of continuous FM listening or around 40 hours via Bluetooth on a single charge — built for real-world, long-duration use. A new kind of interface. The minimal, mechanised interface hides deeper interaction beneath its clean surface. A digital motion-controlled volume knob and tape-style reel let you grab, spin, rewind and interact with sound in intuitive ways. Disk Mode: bend time. Disk Mode lets you rewind, loop and time-bend the audio around you. Explore ambient, karma, metronome, noise and loop functions on OB-4 — expanded further through the ORTHO PLAY app. Your portable studio monitor. The low-latency line input makes OB-4 an excellent portable studio monitor. Connect instruments, mixers, turntables or any device with an audio output and bring accurate, high-fidelity monitoring anywhere. Ultimate portable loudspeaker. OB-4 is the ultimate portable loudspeaker. Made to be played wherever you need, however you want — outside on the porch, at a picnic or taken from your home to your holiday. Use the custom mesh carry bag to play OB-4 on the move and enjoy consistent, high-quality sound wherever life takes you. Or give it a home in your kitchen. The adjustable rotating handle not only houses an extra FM antenna, but also makes it effortless to carry. It doubles as a stand for a more relaxed listening position, turning OB-4 into a flexible sound companion for any environment. Compact. Capable. Anywhere. Small enough to take anywhere, powerful enough to fill a room. With its compact size, built-in handle and extended battery life, OB-4 adapts to your lifestyle — from the living room to the studio and beyond. Technical Specifications Speaker principle: flow optimized bass reflex duct and semi unified chamber Frequency range: 52 – 25,000 Hz Active crossover frequency: 3.5 kHz Configuration: stereo 2 2 Tweeter: high efficiency ferrofluid cooled neodymium driver Woofer: long throw high power capacity neodymium driver Amplifier: 2 × 38 W ultra high efficiency class D Wireless: Bluetooth® classic (AAC), Bluetooth® 5 LE, FM radio Inputs: 3.5 mm stereo in (2.8 Vpp for 0 dBFS) Max SPL @ 1 m stereo configuration: 92 dB unsupported wideband Bass capability @ 1 m: 104 dB SPL supported Battery life: FM (normal volume) 72 hours, Bluetooth (high volume) 8 hours General power requirements: AC 100–240 V, 50/60 Hz, universal built-in power supply Dimensions: 232.5 × 284 × 57.5 mm Weight: 1.7 kg Materials: amorphous polymer glass fiber reinforced PC and milled aluminum Design features: fine pitch tweeter grille, gel dampened handle, custom direct drive volume knob and tape dial Colors: white, red, matte black, navy, ochre, gray, orange Included accessories: mains power cable, antenna Compatible add-ons: ortho remote, shoulder strap Product name: OB–4 (ortho book 4) HARM code: 8518220000 Country of origin: Czech Republic About Teenage Engineering Based in Stockholm, Teenage Engineering is known for its unique blend of innovative audio technology and distinctive industrial design. From portable synthesizers to high-end speakers, every product combines creativity, engineering excellence and thoughtful aesthetics. OB-4 represents this philosophy at its best — a precise yet playful high-fidelity loudspeaker built for real use, long listening sessions and modern portability. @ pen.store.gr