The RockBoard LM 4 is a compact and robust line mixer, ideal for combining up to four mono signals into a clear and precise mono output. Each channel features a dedicated amplifier and independent volume control, ensuring professional sound quality with low noise. This mixer is particularly suitable for musicians and technicians in the studio or on stage who want to optimize the management of multiple keyboards or instruments, while freeing up channels on their main console.
| Number of channels | 4 |
|---|---|
| Mixer type | Line mixer |
| Inputs | 4 x 6.35 mm (1/4'') TS jack |
| Output | 1 x 6.35 mm (1/4'') TS jack |
| Volume control | Individual per channel |
| Power supply | 12 VDC / 20 mA, 2.1 x 5.5 mm barrel connector, negative center (included) |
| Signal-to-noise ratio (SNR) | 95 dB |
| Total harmonic distortion (THD) | 0.009 % |
| Frequency response | +1 dB / -2 dB @ 20 Hz - 22 kHz |
| Dimensions (L x W x H) | 102 x 58 x 45 mm |
| Weight | 182 g |
| Housing | Robust metal |
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