However, there is MUCH more to it than may be explained here.
Therefore, we strongly encourage you to review the full owner's manual
on the Mackie website should any additional questions arise.
1. Power Connector Connect the supplied AC power cord
to this jack to power the unit and/or charge the battery.
2. Power Switch Turns the ShowBox on and off.
3. XLR Inputs Connect a balanced mic or line-level signal
using an XLR connector.
4. 1/4" Input Connect a 1/4" instrument-level or line-level
signal from a guitar, bass, or other instrument.
5. Stereo Line Inputs Connect stereo balanced or unbalanced
line-level signals using 1/4" connectors.
6. EXT FX 1/4" Send and Return Jacks Connect external FX
using 1/4" cables.
7. Bluetooth Press and hold to pair with a Bluetooth device.
The Bluetooth connection may disconnect when affected
by electrostatic discharge (ESD) or electrical fast
transients (EFT). If this occurs, manually reconnect
the Bluetooth connection.
8. 1/8" Input Connect an 1/8" line-level signal from
a smartphone, MP3 player, or other signal source.
9. Footswitch Connect a footswitch to control the looper
and mute/un-mute the FX.
10. Phones Jack and Knob Connect stereo headphones here.
The phones knob controls the headphones level.
11. Mix Out Connect to another ShowBox, cabinet,
or loudspeaker using XLR cable.
12. Front LED Switch Turns the front panel LEDs on or off.
13. Feedback Eliminator LED Switch Hunts down offending
frequencies and destroys feedback to maximize gain.
14. Indoor/Outdoor Mode LED Switch Switches between
indoor and outdoor voicing modes.
15. PA Mode LED Switch Switches between the PA
and amplifier voicing modes.
16A. Battery LED This tri-colored LED displays the battery
charging status of the internal battery.
16B. Battery LED This tri-colored LED displays the remaining
battery life.
ShowBox is not a difficult product to master.
REAR PANEL & MIXER DESCRIPTIONS
17. USB I/O An interface allowing you to stream audio
to and from the ShowBox via smartphone, tablet,
or computer. Connect the USB-C side of a USB 3.1
(or higher) cable to the ShowBox and the other side
to the device.
18. Remote Connect the included CAT6 cable from the base
unit and the breakaway mixer.
19. SD Card Slot Insert an SD card to allow recording.
20. Channel Select Selects which channel to update
parameters on.
21. Volume/Gain Adjusts the channel volume and gain.
Press-and-hold to enter auto-gain mode.
A single press switches between volume and gain.
Quickly tap the knob twice to mute it.
22.Equalization Boost or cut the level at certain frequencies
to enhance the sound. Quickly tap any EQ knob twice
to mute the EQ.
23. Compressor Reduces the dynamic range of input signals.
Quickly tap the compressor knob twice to mute it.
24. FX1 / Tuner Press, rotate, and press again to select an FX.
Rotate to raise/lower the FX drive level.
Press and hold to engage the instrument tuner.
Quickly tap the knob twice to mute it.
25. FX2 / Snapshot Press, rotate, and press again to select
an FX. Rotate to raise/lower the FX wet/dry level.
Press and hold to engage snapshots mode.
Quickly tap the knob twice to mute it.
26. FX Loop Rotate to raise/lower the wet/dry level of the
external FX. Quickly tap the FX Loop knob twice to mute it.
27. Loop Level Adjusts the volume of the loop level.
28. Looper Button Press this button once to record, play
and/or overdub loops. Press this button twice to stop.
Press and hold this button to clear.
29. SD Record Press to start and stop SD recording.
30. Main Volume Adjusts the overall output level.
31. Main Volume Mute Switch Mutes the output.
Battery Compartment The bottom panel contains
the ShowBox battery compartment. Rotate the two
plastic screws counter-clockwise to release and replace.
9
Quick Start Guide