Operation Manual; Signal Presence Indicator:; Clip Indicator: - Page 7

XLS Series 

Power Amplifi ers

page 7

Operation Manual

Indicators:

Signal Presence Indicator:

 Two green LED’s, one for each channel, illuminate when the channel input 

signal exceeds -40dBu

-10 Indicator:

 Green LED flashes when output signal level exceeds -10dB below clip

-20 Indicator: 

Green LED flashes when output signal level exceeds -20dB below clip

Clip Indicator: 

Two red LED’s, one for each channel, illuminate when the channel’s output is being overdriven.

Thermal Indicator:

 Two red LED’s, one for each channel, illuminate when thermal compression begins.

Cooling Vents:

Front to rear forced air flow.

Gain (Level) Controls:

Two black rotary level controls, 
one for each channel.

Menu/Prev/Next:

Three buttons located near the 
LCD screen that are used to 
configure and access the 
integrated processing.

Power Button

Turns amplifier power on and 
off. Blue LED will illuminate 
when power is turned on.

LCD Screen:

Back-lit LCD screen allows for 
crossover configuration, 
amplifier mode configuration, 
and limiter configuration.

Binding Post Output Jacks: 

One pair per channel, accepts banana plugs or 
bare wire. Note: Binding post outputs on European 
models come with safety plugs installed to prevent 
European power plugs from being inserted. The 
side entry positions for these connectors should 
be used with European models. 

Fans: 

Provide front to back 
forced airflow for cooling.

AC Power 
Connector

4-Pole Speakon

®

 Output Connectors:

These two connectors accept 2-pole or 4-pole 
Speakon connectors. The channel 1 connector is 
wired for both channels so it can be used for 
bridge-mode wiring or stereo wiring of two 
speakers to a single Speakon.

¼ Inch Inputs:

2 – ¼ Inch input connectors 
are provided (one per 
channel). These inputs can 
also be used to loop-thru 
signal to additional amplifiers.

Circuit Breaker:  

Provides overload protection

RCA (Phono) Inputs: 

Two RCA inputs are provided 
(one per channel)

Balanced XLR Inputs:

Two 3-pin XLR input 
connectors are provided 
(one per channel)

Front Panel Features

Back Panel Features