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4. HIGH: 

Turned clockwise, this control accents treble frequencies to produce clearer, crisper sound. 

Turn counterclockwise to make the sound softer and less bright.

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4

6

7

8

9

5

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10

3

CONTROLS AND FEATURES OVERVIEW

5. LOW: 

Determines the emphasis of bass frequencies. Turning this knob clockwise creates a 

deeper, warmer tone. If you need a brighter sound, reduce the bass by turning counterclockwise.

1. INPUT:

 This is where you may plug in microphones, instruments, keyboards, drum machines and 

other audio devices.  

6. VOLUME: 

Use these controls to adjust the volume level of each channel and the relative 

balance between them.

NOTE

HIGH, LOW, and VOLUME controls are vertically aligned with the INPUTS they affect.

7. MASTER: 

Controls the overall volume of all channels and input on POWERLINK IN.

 

Note: Does not affect POWERLINK OUT level.

8. POWER: 

This switch activates power to the mixer.

9. POWER INDICATOR LIGHT: 

Indicates that the power switch is in the “ON” position. When light is 

illuminated, the unit is ON.

10. POWER INPUT: 

Connect the included 18Vdc wall adapter here.

2. MAIN OUT: 

This is a Balanced XLR or Unbalanced TRS 1/4-inch line out used to send a summed 

mix of the INPUTS to other devices such as mixers, powered speakers, powered monitors or 

recording devices.

3. POWERLINK: 

Use the POWERLINK circuit to link multiple PW systems using standard 

microphone cables. This feature combines the channels in all linked units while each MASTER 

control operates independently.

IN: 

This balanced XLR Jack connects to the POWERLINK OUT from another PW unit using a 

standard mic cable. Channels from both PW units are summed together. Use the channel volume 

controls to balance the mix between channels (If a channel is not used turn the volume all the way 

down). MASTER controls the overall level of mix sent to MAIN OUT of this PW4EX. It does not affect 

the volume of linked units.

OUT: 

This balanced XLR Jack connects to the POWERLINK IN from another PA unit using a standard 

mic cable. Channels from both units are summed together. Use the channel volume controls to 

balance the mix between channels (If a channel is not used turn the volume all the way down). 

MASTER volume controls the overall mix through this PW4EX. It does not affect the volume of linked 

units. This jack may also be used to connect the PW4EX unit to a power amp with a balanced line 

input.

XLR

TRS 1/4”

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