Specifications
Crestron SWAMP(I)-24X8    Sonnex™ Multiroom Audio System 
Connectors, Controls & Indicators (Continued) 
# 
CONNECTORS
1
, 
CONTROLS & 
INDICATORS 
DESCRIPTION 
3 
K, J (Up, Down) 
(2) push buttons, scroll up or down through 
menu and adjust menu parameters 
4 
ENTER 
(1) push button, executes highlighted menu 
item or value 
5 
On/Off 
(1) Rocker switch, turns power amplifier on 
and off and resets the unit 
6 
SOURCE (1-24) 
Buttons and LEDs 
1
24
(24) Push buttons and green LEDs, select 
input source for routing and adjustment 
7 COMPUTER 
Pin 3      Pin 4
Pin 2    Pin 1
USB Type B female, USB 1.1 computer 
console port (6 ft cable included)
PIN  DESCRIPTION 
1  +5 VDC 
2  Data - 
3  Data + 
4  Ground 
8 
VOLUME 
(1) Continuous turn rotary encoder, adjusts 
audio volume 
9 
ZONE (1-10) 
Buttons and LEDs 
10
1
(10) Push buttons and green LEDs, select 
output zone for routing and adjustment 
10 
ANALOG SOURCES 
L/R (1–16) 
16 Stereo Analog Inputs, (32) RCA female 
comprising (16) unbalanced stereo line level 
audio inputs; 
Input Impedance: 10k Ohms; 
Maximum Input Level: 2 V
rms
11 
ANALOG SOURCES 
BALANCED (13-16) 
L
R
(4) 5-pin 3.5mm detachable terminal blocks 
Balanced stereo line level audio inputs 
(mutually exclusive of corresponding 
unbalanced inputs); 
Input Impedance: 20k Ohms; 
Maximum Input Level: 4 V
rms
 (Continued on following page) 
Operations Guide – DOC. 7049B  Sonnex™ Multiroom Audio System: SWAMP(I)-24X8 • 13 










