Teenage Engineering OB-4 White is a high-end portable Bluetooth speaker combining FM radio, sampling functions, and a unique “Tape” mode that continuously records the past two hours of audio. With cutting-edge design and an intuitive interface, the OB-4 redefines lifestyle audio with studio-inspired performance and innovative features.
The OB-4 features an active 2-way stereo speaker system with a built-in analog crossover (3.5 kHz), Class D amplification (2 × 38 W), and motorized volume and tape knobs for interactive control. Its gel-cushioned handle doubles as a spiral FM antenna. The Disc mode provides three pre-looped sound options, including a metronome. With Bluetooth 5 LE (A2DP/stereo AAC) and a 3.5 mm stereo input, OB-4 supports both wireless and analog playback.
This device offers up to 72 hours of battery life for FM radio and 8 hours at maximum volume. Lightweight and compact with a clean white finish, the OB-4 is ideal for critical listening, creative inspiration, or stylish everyday use.
KEY FEATURES
- High-end portable Bluetooth speaker with FM radio and sampler
- Automatic 2-hour continuous recording in Tape mode
- Disc mode with three looped presets including a metronome
- Motorized volume and Tape control knobs
- Active 2-way stereo system with 52 Hz – 25 kHz frequency response
- Class D amplifier: 2 × 38 W (4 channels)
- Built-in active crossover at 3.5 kHz
- Input: 3.5 mm stereo mini jack
- Bluetooth 5 LE with A2DP and AAC support
- Gel-cushioned handle with integrated spiral FM antenna
- Battery life: up to 72 hrs (FM), 8 hrs (max volume)
- Construction: plastic housing, dimensions 232 × 284 × 57.5 mm
- Weight: 1.7 kg
TECHNICAL SPECIFICATIONS
- Type: Portable Bluetooth speaker
- Color: White
- Frequency Range: 52 Hz – 25,000 Hz
- Amplifier Type: Class D, 2 × 38 W
- Speaker System: Active 2-way stereo
- Inputs: 1 × 3.5 mm stereo mini jack
- Bluetooth: Yes, BT 5 LE (A2DP, AAC)
- Modes: FM Radio, Disc (preset loops), Tape (live recording)
- Loop Recording: Automatic 2-hour buffer
- Battery Life: up to 72 hrs (FM), up to 8 hrs (max volume)
- Dimensions: 232 × 284 × 57.5 mm
- Weight: 1.7 kg
- Housing Material: Plastic
- Controls: Motorized knobs
