The MX155 is a 7-Channel mic/line mixer with 5 multi-purpose mic/line inputs, one dedicated microphone input and talk-over feature. All inputs feature EQ’s and Gain control. The balanced output is provided via Euroblock connector. Remote muting and emergency signal replay facilitate the use in installed sound systems.

Product Features

• Industrial quality stereo mixer for commercial installations
• Five main channels, each with balanced mic input (multipin connector) and stereo unbalanced line input (RCA jack pairs) and mic/line switching
• Rear panel per-channel gain controls
• Front panel per-channel level and HF/LF EQ controls
• Auxiliary line channel with balanced stereo input (rear panel multipin connector) and 3.5 mm TRS jack (front panel); front panel level control
• Dedicated microphone channel; can be configured for automatic mic-over-programme ducking; front panel level and HF/LF EQ controls
• 15 V phantom power available at all mic inputs (selected by internal jumpers)
• Emergency Input (balanced) with separate level control – mutes programme for critical announcements
• Balanced stereo output on multipin connector
• Mono/stereo output switch
• Master output level control and LED bargraph on front panel
• Maximum output level can be defined to protect downstream equipment
• Unbalanced post-mix stereo auxiliary output
• Headphone output with separate volume control
• Music mute control input
• 230 V or 115 V operation (selectable)

Product Specifications

Inputs

• Mic input: Balanced, 40 dB gain; plug-in multipin connector
• Line inputs: Unbalanced stereo, 0 dB gain, RCA jacks (phonos)
• Aux input: Balanced stereo, 0 dB gain; plug-in multipin connector
• FOH input: Balanced stereo, 0 dB gain; 2 x ¼” TRS jacks
• Emergency input: Balanced mono, 0 dB gain; plug-in multipin connector

Outputs

• Main output: Balanced stereo, max. output level +18 dBu
• Record output: Unbalanced stereo, 0 dBu typica
• Headphones: Max level 120 mW into 75 ohms @ 1% THD

Channels 1 - 5 equalisation (outputs)

• LF: +/-10 dB @ 50 Hz
• HF: +/-10 dB @ 10 kHz

Mic channel equalisation

• LF: +/-10 dB @ 100 Hz
• HF: +/-10 dB @ 10 kHz

Performance

• Signal-to-noise ratio: >77 dB (line inputs)
• Crosstalk: >65 dB (line inputs)
• THD: <0.01% (output <+18 dBu)
• Frequency response: 20 Hz to 20 kHz, +0/-3 dB
• Channel balance: <3 dB

General

• Power input: Selectable 115 VAC or 230 VAC; 50/60 Hz
• Power consumption: 20 W max.
• Fuse details: 5 x 20 mm, 500mA

Physical

• Dimensions (W x H x D)
• Net:
  • 483 mm x 44.5 mm (1U) x 162.5 mm
  • 19” x 1.75” (1U) x 6.4”
• Shipping (Gross):
  • 540 mm x 90 mm x 260 mm
  • 21.3” x 3.5” x 10.2”
• Weights:
  • Net: 2.3 kg (5.15 lb)
  • Shipping (Gross): 4.5 kg (10.1 lb)