inDESIGN ZM622 – Compact 6 In / 2 Out Digital Audio Mixer with RS232 Control

The inDESIGN ZM622 is a compact, high-quality 6 input / 2 output digital mixer designed for commercial and industrial audio applications. Its versatile design makes it ideal for paging, background music, and multi-zone installations.

The ZM622 features 3 mic inputs with selectable phantom power, 3 mic/line inputs, plus 1 Bluetooth input, giving flexibility for both wired and wireless audio sources. It includes 2 priority channels for paging or emergency use, and a pre-master auxiliary output for recording or additional routing.

With 4 onboard alarms (Chime, Alert, Bell, Evacuation), RS232 control, and support for 240VAC mains or 24VDC backup, the ZM622 is reliable, flexible, and ready for professional installations.

Specifications – inDESIGN ZM622

General

• Frequency Response: 20Hz – 20kHz (-3 dB)

• Gain: 50dB – +13.5dBu

• Distortion (THD+N): <0.1% @ 1kHz, 0dBu output

• Signal-to-Noise Ratio: 95dB

• Dynamic Range: 103.5dB

• Tone Signal Generation: Chime, Alert, Bell, Evacuation

• Trigger Control: Phoenix connector

• RS232 Control: DB9 PC connector

• Operating Temperature: 10°C – 40°C

• Power Supply: AC 110–240V 50/60Hz or 24VDC backup

• Power Consumption: Max 48W

• Dimensions: 1RU – 44 × 483 × 135 mm (H × W × D)

• Weight: 2.9kg

Microphone Inputs (1–6)

• Type: Electronically balanced

• Input Impedance: 600Ω

• Input Level: -50dBu

• Phantom Power: +24V, switchable (Inputs 1–3)

• Connector: XLR

• Priority Control: Mic 1 overrides all; Mic 2 overrides Inputs 3–6

Stereo Line Inputs (4–6)

• Type: RCA line input

• Input Impedance: 47kΩ

• Input Level: -10dBu

• Connector: 2 × RCA

• Channel Crosstalk: >80dB

Bluetooth Input (Ch. 6)

• Version: 4.0 (A2DP, AVRCP)

• Priority: Bluetooth overrides XLR/RCA on channel 6

Equalisation

• Bass: 100Hz, ±10dB

• Treble: 10kHz, ±10dB

Main Outputs (2)

• Type: Electronically balanced

• Output Impedance: 20kΩ

• Output Level: +13.5dBu (3.45V)

• Connector: XLR

Record Output

• Type: Unbalanced

• Output Impedance: 20kΩ

• Output Level: +13dBu (3.45Veff)

• Connector: 2 × RCA