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 listeninghow 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 OB–4 hardware platform supports both high-definition bluetooth classic and bluetooth low energy standards. workswith 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 in the handle. motorized userinterface.
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.
frequency range 52 – 25000 Hz
dimensions 232.5 x 284 x 57.5 mm
weight
1.7 kg
materials amorphous polymer glass fibre reinforced pc and milled aluminium.
design features fine pitch tweeter grille, gel dampened handle, custom direct drive volume knob and tape dial.
max SPL @ 1 m stereo configuration 92 dB unsupported wideband
bass capability @ 1 m 104 dB SPL supported
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 x 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)
battery life normal volume FM: 72 hours bluetooth high volume: 8 hours
general power requirements AC 100-240 V 50/60 Hz universal built-in power supply
colors
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
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
|---|---|
| Brand | |
| Model |
|
| Finish |
|
| Categories | |
| Made In |
|
Product safety information may be available here.
![Teenage Engineering OB-4 (Black) - Portable High Fidelity Loudspeaker [Three Wave Music] image 1](https://rvb-img.reverb.com/i/s--KuNrBj4M--/quality=medium-low,height=800,width=800,fit=contain/t0zpivxhgo03hiq1aozc.jpg)
![Teenage Engineering OB-4 (Black) - Portable High Fidelity Loudspeaker [Three Wave Music] image 1](https://rvb-img.reverb.com/i/s--aZhoXf3d--/quality=medium-low,height=400,width=400,fit=cover,gravity=bottom/t0zpivxhgo03hiq1aozc.jpg)
![Teenage Engineering OB-4 (Black) - Portable High Fidelity Loudspeaker [Three Wave Music] image 2](https://rvb-img.reverb.com/i/s--Rmcez6u9--/quality=medium-low,height=400,width=400,fit=cover,gravity=bottom/z3kjjaojccjfyh4llimi.jpg)
