OB–4
OB–4 is our ultra thin 'orthobook' bluetooth loudspeaker with a sound larger than its appearance and really long battery life. discover deep bass and crystal clear, open and natural audio that fills the entire room.
listen using line-in, bluetooth, FM radio and disk mode. the unique mechanized interface is minimal with intuitive functionality. yet if you look beneath the surface, there's more than meets the eye.
comes in 7 colors. from $$$ buy now
made to be played wherever you need, however you want. outside on the porch, at a picnic, or take it from your home to your holiday. then use your custom mesh carry bag to play OB–4 on the move.
or why not give it a home in your kitchen? the adjustable handle not only houses an extra antenna, but makes it a breeze to carry – it can also be used as a stand for a more relaxed listening position.
BRUSHLESS MOTOR, HALL EFFECT SENSOR & INTELLIGENT MOTOR CONTROL ALGORITHM.
beyond the traditional features like line-in, bluetooth and FM radio, you can find disk mode. this is where we update OB–4 with new features that push beyond the usual. it's our public research space where we
explore and prototype everything that this media instrument could be. right now, functions on disk include: ambient, karma, metronome, noise and loop. the orthoplay app is where we reveal the latest updates.
ambient
zone out to a drone generated by snippets of any audio source.
metronome
sync with metronome, including 808 with pitch adjustment.
karma
30 in 1 musical mantra box. your spiritual companion.
noise
induce calm and focus with white, brown and pink noise frequencies.
loop
create audio loops, store them and beat match, all on OB–4.
have you ever wished you could instantly rewind when listening to the radio to hear the title of the song just played? OB–4 memorizes everything you listen to on an endless looping tape*.
rewind, time-bend, loop, keep time or zone out, all at the flick of your fingertips. on purpose, or by accident. OB–4 let's you listen like never before, and that's just the beginning of its many magic tricks. *ROLLING 2 HOUR RECORDING
the low latency line input makes OB–4 the ideal portable studio speaker. plug-in your instruments, a record player, any device that has an audio output. or use the fm signal to connect to OP–1 field.
while you play, use OB–4 as part of the performance. play around with ambient mode, use the metronome to keep time, or loop your beats to create something new. live remix and experiment in the moment.
white
$$$
buy now
matte black
red
gray
ochre
navy
orange
john lennon 'mind games edition'
explore
yoga mantra
fm radio
music
...more
speaker principle flow optimized bass reflex duct and semi unified chamber. 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 zum 1 m stereo configuration 92 dB unsupported wideband bass capability zum 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 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
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.
on one single charge you can listen to the radio for three sleepless days (nothing we recommend) or get 40 hours of listening via bluetooth all thanks to the high capacity lipo battery.
the OB–4 hardware platform supports both bluetooth classic and bluetooth low energy for audio streaming and wireless volume control via the ortho play app and remote.
big sound in a small package. OB–4's compact size and built-in handle means you can take quality sound anywhere, from your living room to the studio and beyond.
speaker principle flow optimized bass reflex duct and semi unified chamber. 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 zum 1 m stereo configuration 92 dB unsupported wideband. bass capability zum 1 m 104 dB SPL supported. active crossover frequency 3.5 kHz configuration stereo 2 + 2 tweeter high efficiency ferrofluid cooled neodymium driver. 1 X USER'S MANUAL 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 req. AC 100-240 V 50/60 Hz universal built-in power supply. 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 1 X USER'S MANUAL
