Teenage Engineering OB-4 Red 48X It allows for separate treatment

It allows for separate treatment of the mid and side components

RoAT is battery powered and can work up to 130 hours on one set of AAA batteries

Control cut-off

In addition to that Endorhpin

Don’t have a voltage source

Teenage Engineering OB-4 Red 48X It allows for separate treatmentIntroducing OB4, the portable high fidelity loudspeaker with two 4'' bass drivers and a pair of neodymium tweeters that deliver crystal clear, open natural sound with 38 watts per channel that's around 100 decibels of incredible sounding stereo. listen using line input, bluetooth, FM radio and disk. the interface is minimal, with only the things you really need. yet if you look below the surface, there's a lot more than meets the eye. Natural