Tascam MZ-123BT 3-Zone Compact Audio Mixer with Bluetooth 1U

MZ-123BT Compact Multi-Zone Audio Mixer with Bluetooth

The Tascam MZ-123BT is a compact 1U multi-channel, multi-zone audio mixer for professional installation. It provides versatile routing, mixing and distribution of up to three channels of music and announcements for a wide range of commercial applications, including retail, restaurants, bars, cafes, hotels, or any environment that requires independent audio routing and announcement capabilities. Featuring a simple, intuitive layout for ease of operation, the Bluetooth-enabled MZ-123BT comes equipped with two versatile mic inputs and automatic attenuation of background music for superior intelligibility during announcements or paging.

Product Features
Slim rackmount mixer that can flexibly assign background music and mic announcements to three different output zones
Built-in Bluetooth receiver for wireless audio playback from smartphones or tablets
Bluetooth antenna installed on the front panel ensures a stable wireless connection within the specified range
Three stereo line inputs
Two RCA unbalanced line inputs on rear panel
Bluetooth/Aux input on front panel
Gain controls on rear panel
Two mic inputs for announcements or moderation
Connection via Euroblock connectors on the rear panel
Mic 1 can also be connected via the front-panel XLR/TRS combo connector (input level switchable HIGH/LOW)
Talkover function automatically lowers background music volume according to mic volume (with rear-panel controls for threshold, time and on/off)
PAD, high-pass filter and 48-volt phantom power on each mic input (switchable on/off on the rear panel)
Rear-panel controls for gain and three-band EQ
Level controls and zone selection buttons on each mic and stereo line input
Signal and peak indicators on each mic and stereo line input
Three zone outputs with level controls, signal and peak indicators and monitor selection buttons
Headphones output with level control for monitoring the zone outputs
Compact 1U rackmount size

Product Specification
Analogue audio inputs
Connector, front panel:
- XLR/TRS combo connector
- XLR-3-31 (1: GND, 2: HOT, 3: COLD)
- 6.3-mm TRS jacks (Tip: HOT, Ring: COLD, Sleeve: GND)
Connector, rear panel: 2 × Euroblock
Input impedance: 2.4 kΩ
Nominal input level:
–26 dBu (front connector set to HIGH or rear connector PAD OFF)
–2 dBu (front connector set to LOW or rear connector PAD ON)
Maximum input level:
–10 dBu (front connector set to HIGH or rear connector PAD OFF)
+14 dBu (front connector set to LOW or rear connector PAD ON)
Minimum input level:
–65 dBu (front connector set to HIGH or rear connector PAD OFF)
–41 dBu (front connector set to LOW or rear connector PAD ON)
Line inputs (unbalanced): RCA pin jacks
Nominal input level: –10 dBV
Maximum input level: +6 dBV
Input impedance: ≥10 kΩ
Aux inputs (unbalanced): 3.5-mm stereo mini jack
Nominal input level: –20 dBV
Maximum input level: –4 dBV
Input impedance: ≥10 kΩ

Analogue audio outputs
Outputs 1–3 (balanced): 3 × Euroblock
Nominal output level: +4 dBu (volume knob set to 0 dB)
Maximum output level: +24 dBu
Output impedance: 200 Ω
Headphones output: 6.3-mm stereo jack
Maximum output power: 80 mW + 80 mW (THD+N ≤0.1 %, 32 Ω load)

Audio performance
Equivalent input noise (EIN):
≤–125 dB(A)
(mic input to line output, 150 Ω, 20-kHz LPF)
Mic input to line output:
20 Hz – 20 kHz, +0.5 dB / –1 dB
(GAIN at min., VOLUME at 0 dB, JEITA)
Line input to line output:
20 Hz – 20 kHz, ±0.5 dB
(GAIN at min., VOLUME at 0 dB, JEITA)
Mic input (front) to line output: ≤0.02 %
Mic input (rear) to line output: ≤0.01 %
Line input to line output: ≤0.01 %
S/N ratio: ≥90 dB
Crosstalk attenuation: ≥80 dB

Bluetooth
Bluetooth version: 4.2
Output class: Class 2
Supported profile: A2DP
Supported A2DP codecs: SBC, AAC, aptX™
A2DP content protection: SCMS-T
Antenna: RP-SMA (female)

Power supply and other specifications

Power supply: AC 100–240 V, 50/60 Hz
Power consumption: 25 W
Overall dimensions (width × height × depth): 483 mm × 47 mm × 275 mm
Weight: 3.0 kg
Permissible operating temperature: 0–40 °C

What’s in the Box?
Power cord
8 Euroblock plugs with cable band kit
rackmount screw kit
Owner’s Manual
Bluetooth antenna