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1-800-BUY-HIFI – www.nilesaudio.com
©2013 Core Brands, LLC. All Rights Reserved. Niles, the Niles logo and Blending High Fidelity and Architecture are registered trademarks of Core Brands, LLC. All other trademarks are the
property of their respective owners. We reserve the right to change features, descriptions, and/or specifications at any time without notice. CS0336A
100-120V / 220-240V~
50 / 60Hz 200W
SI-250
Systems
Integration
Amplifier
®
TURN ON MODE
AUDIO SENSE
CONSTANT
3-24V
AC/DC
TRIGGER
INPUT
12V
CONTROL
OUT
L R
L
R
BUS
OUTPUT
FOR
BRIDGED
MODE
L
R
LEVELS
MAIN BUS
INPUT
STEREO BRIDGED
CLASS 2 WIRING
LEFT RIGHT
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
This Class B digital apparatus complies with Canadian
ICES-003.
Cet appareil numérique de la classe B est conforme à la
norme NMB-003 du Canada.
Niles Audio, Petaluma, California, USA
Designed and Engineered in the U.S.A. Made in China
T5AL, 250V
Serial No.
CAUTION: replace only with same type and rating of fuse.
ATTENTION: remplacer uniquement avec le même type
et calibre du fusible.
Minimum impedance:
2.66 Ω (stereo mode)
4 Ω (bridged mode)
Features
■ Digital, high current bridgeable stereo amplier
■ 50 watts RMS per channel into 8 Ohms (all channels driven)
■ 100 watts RMS per channel into 4 Ohms (all channels driven)
■ Channels are bridgeable to 225 watts RMS into 8 Ohms
■ Auto switching 110V-230V power supply
■ Three turn-on modes: music sense, voltage trigger, and manual
■ Voltage trigger input accepts 3-24VAC/DC
■ Audio circuitry constructed with the nest parts available, including 1% metal lm
resistors, high quality capacitors and oversized heat sinks for clear and uncolored
sound
■ Independent level controls
speciFications
■ 12-volt control out
■ Removable line cord
■ Two year limited warranty
■ Rack mount ears included
■ Tested and certied to US, Canada, EU , and Australian safety and EMC standards
■ Overall dimensions:
17 ¼” (43.81 cm) wide – 2 ¼” (5.6 cm) high (including feet)
13 ½” (34.35 cm) deep
■ Weight: 10.8 lb. (4.9 kg)
SyStemS IntegratIon amplIfIer
®
SI-250
2-CHANNEL BRIDGEABLE
POWER AMPLIFIER
APPLICATION
INCREAsE POWER IN CRITICAL OUTDOOR AREAs
SI-250
AMPLIFIER SPEAKER 4 SPEAKER 3 SPEAKER 2 SPEAKER 1
Niles Audio Corporation Miami, Florida USA
SS-4
12 V Trigger Out
MASTER BATH
Loudspeakers
DINING ROOM
Loudspeakers
KITCHEN
Loudspeakers
OFFICE
Loudspeakers
PATIO
OS Loudspeakers
POOL
Rock Loudspeakers
Audio Tape Out
Parallel
Connection
Speaker
A
47 WATTS PER SPEAKER - 4 Ω15 WATTS PER SPEAKER (ASSUMING A 100 WATT RECEIVER)
HOME THEATER RECEIVER
WIRING LEGEND
Audio
3.5 mm
Speaker Cable
STOCK# FG01701