The Mixerface R4R by CEntrance is a mobile 4-channel mixer - hardly bigger than a cigarette box - which is equipped with two XLR jack combo sockets (with phantom power) and two AUX mini jack inputs via its high-quality A/D converters (16/2432-bit, 44-bit, 44-bit).1-192 kHz) and record sounds on a microSD card or/and be used as a USB interface for iOS and Android smartphones/tablets as well as Windows/Mac OS X computers - it works with most recording apps.
CEntrance Mixerface R4R
On all (USB and analog) outputs the same signal is available for redundant recording, which is also recorded internally on microSD. The input signal can be pre-amplified by up to 53 dB without noise - the inputs can also be switched to Hi-Z for recording instruments such as electric guitars or electric bass.
Outputs include a balanced and unbalanced output as well as a headphone jack with its own amplifier for sound monitoring. The aux output can be set to "LO" via a switch, which corresponds to a level reduction of 46 dB, so that you can go directly into the microphone input of a DSLR camera from there.
The CEntrance Mixerface R4R does not have its own display - operation is via the buttons (Play, Pause, Forward, Back and Record), which can be used to directly control recording and playback. It also has a low-cut filter, controls for gain, XLR/USB blend, AUX 3/4 send and monitor volume.
CEntrance Mixerface R4R Interfaces
The integrated battery is sufficient for 8 hours of use - it can be charged via USB connection via a power bank or a power supply unit. The CEntrance Mixerface R4R has a stable aluminum case with 1/4" tripod thread at the bottom and costs about 450 Euro, the version CEntrance Mixerface R4 without own recording possibility on microSD costs about 420 Euro.