A compact analogue mixer for background music and announcements in up to three zones
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.
Audio Control and Routing for Separate Zones
Three discrete zone outputs with volume control allow routing of background music to desired areas or rooms in a restaurant, hotel, retail store or other commercial environment.
Three Outputs with Euroblock Connectors
Three pairs of balanced stereo outputs featuring Euroblock connectors for fixed installations are accessible from the back panel. Each output can be set to output audio in mono or stereo.
Three Stereo Input Channels for Playback Sources
Two stereo line inputs (RCA, unbalanced) allow connection of AV equipment such as Tascam CD / Solid State Players or similar playback devices. Channel 3 has an Aux/Bluetooth input that allows an additional audio source to be connected via Bluetooth or 3.5-mm mini plug. Each input features a volume control knob as well as three zone routing buttons for audio distribution to desired areas or rooms.
External Bluetooth Antenna for Stable Wireless Connectivity
The MZ-123BT has a dedicated Bluetooth antenna on its front-panel which helps ensure consistent stability of the wireless signal and reliability when streaming source material from a Bluetooth enabled device – even in the most signal-challenged environments.
Dual Mic Inputs with Euroblock Connectors
For announcements or moderations, the MZ-123BT offers two microphone inputs, each with switchable +48V phantom power for condenser mics, talkover functionality and zone selection by front-panel push buttons.
Two mics can be connected via rear-panel Euroblock connectors while an additional XLR/TRS combo connector on the front panel allows an alternative microphone to be hooked up quickly and selected via a front-panel switch.
Three-Band Equalizer, Gain Control and Switchable High-Pass Filter
The back panel provides gain control knobs and three-band EQ (Low, Mid, High) along with a high-pass filter switch for each input for setting optimal input level, tonal quality and voicing character for each microphone.
Talkover Function for Clear Announcements
The Talkover function automatically detects microphone signal input during audio playback and attenuates background music levels in the selected zones for optimal intelligibility during announcements. Threshold level and timing (release time) can be adjusted with controls on the rear panel to allow precise activation of level reduction and smooth restoration of background music to pre-set levels.
Simple Layout for Ease of Operation
Intuitive front-panel control of channel volume, output level, zone selection and Bluetooth pairing makes basic operation simple for non-technical staff and workers. More advanced system configuration and operational settings for EQ, gain and threshold can be adjusted via dedicated knobs on the rear panel.
Compact 1U Rack Mount Size
With a 1U rackmount size, the MZ-123BT is designed to fit seamlessly in an installed AV rack, with an optimised depth that allows greater connection space for other AV equipment such as Tascam CD / Solid State players.
Features at a glance
- 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
Specifications
| Analogue audio inputs | ||
|---|---|---|
| Microphone inputs 1–2 (balanced) | ||
| 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) |
|
| Frequency response | ||
| 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) |
|
| Distortion | ||
| 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 | |
| Included items | Power cord, 8 Euroblock plugs with cable band kit, rackmount screw kit, Owner’s Manual, Bluetooth antenna | |
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