A stable, low-jitter clock for your digital gear – in a small black box that just does its job. The Black Lion Audio Micro Clock mkII is a compact master word clock. It sends a high-bandwidth clock signal to any modern digital device with a 75-ohm BNC word clock input, such as audio interfaces and converters.
Why customers choose it
- Low jitter: about 1 picosecond RMS at the crystal oscillator and just under 10 picoseconds RMS at the output.
- All common rates: six selectable output frequencies from 44.1 kHz to 192 kHz.
- Clock several devices: three BNC word clock outputs.
- High-bandwidth signal: an output signal Black Lion says is rare to find in internal clocks.
- Built for clean signal: rugged 3″ x 4″ chassis with RF shielding.
- Simple: no display or lights – set the rate and forget it.
Who it is for
Home and project studios with more than one digital device (interface, ADAT converter, digital mixer), and engineers who want a dedicated master clock for their system.
Specifications
| Type | Master word clock |
|---|---|
| Output frequencies | 6, from 44.1 kHz to 192 kHz |
| Outputs | 3 x BNC word clock (for 75-ohm inputs) |
| Output level | About 5 V peak to peak |
| Jitter | About 1 ps RMS (oscillator), under 10 ps RMS (output) |
| Rate families | Toggle switch for 44.1 kHz and 48 kHz multiples |
| Power | 9 V DC wall adapter, accepts 120 V and 240 V AC |
| Chassis | 3″ x 4″, RF shielded |
Good to know
- Your devices need BNC word clock inputs (75 ohm).
- The power adapter works on 240 V, so it suits Indian mains.
- Black Lion now also makes the Revolution Clock series.
FAQ
Will it work with my audio interface?
Yes, if the interface has a 75-ohm BNC word clock input.

























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