RDL EZ-SX4 User manual

INSTALLATION AND
OPERATION MANUAL
RDL EZ Series products provide the highest level of value to A/V professionals and A/V users who demand professional quality.
For long-term performance, quality and value, you have made the EZ choice. EZ products are made in the USA by RDL, the
inventor of application-specific modules bringing decades of experience as the world’s leading manufacturer of high-reliability
performance products to the A/V industry. Visit the RDL website for hundreds of professional A/V products made in the USA by RDL.
RDL•659 N. 6th Street •Prescott, AZ •USA 86301 •Sales: 800-281-2683 •928-443-9391
Tech Support: 800-933-1780 •928-778-3554 •RDL Europe Sales & Support: (31) 20-6238-983
www.rdlnet.com
Decades of Performance, Quality and Value
EZ-SX4
Stereo Audio Input Switcher
Model numbers:
EZ-SX4 includes power supply with North American plug
EZ-SX4X includes worldwide power supply (specify plug)
INSTALLATION AND
OPERATION MANUAL
RDL EZ Series products provide the highest level of value to A/V professionals and A/V users who demand professional quality.
For long-term performance, quality and value, you have made the EZ choice. EZ products are made in the USA by RDL, the
inventor of application-specific modules bringing decades of experience as the world’s leading manufacturer of high-reliability
performance products to the A/V industry. Visit the RDL website for hundreds of professional A/V products made in the USA by RDL.
RDL•659 N. 6th Street •Prescott, AZ •USA 86301 •Sales: 800-281-2683 •928-443-9391
Tech Support: 800-933-1780 •928-778-3554 •RDL Europe Sales & Support: (31) 20-6238-983
www.rdlnet.com
Decades of Performance, Quality and Value

www.rdlnet.com • ••www.rdlez.com
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Four Input Source Selection
Unbalanced Stereo Audio Inputs and Output
Inputs and Line Output on Rear-Panel RCA Jacks
Line Output Level Controlled by Front-Panel Knob
Full-Size Interlocking Pushbuttons on Front Panel
EZ-SX4
Stereo Audio Input Switcher
TYPICAL APPLICATION
The EZ-SX4 is a stereo audio source selector with an output volume control that adjusts the line-level output. This unit is ideal as
a four input source selector feeding an associated audio amplifier. The EZ-SX4 is used in stores, houses of worship, restaurants,
clubs, home component systems and commercial sound systems.
Power Amp
TV Audio
Laptop
CD Player
Jukebox
EZ-SX4
www.rdlnet.com • ••www.rdlez.com

POWER CONNECTION FIXED MOUNTING RUBBER FEET ATTACHMENT
Insert Power Plug
Bottom View
of chassis
Recess
Screw
directly to flat
surface without
installing rubber feet.
Rotate 1/4-turn
clockwise to lock
Rotate 1/4-turn
counter-clockwise
to unlock Peel backing and stick the 4 rubber
feet to chassis in recesses provided.
24 VDC POWER INPUT
Insert plug from power
supply. Rotate 1/4 turn
clockwise to lock.
LINE OUTPUT
Connect to the
line input of an
amplifier, mixer,
recorder, computer
or other product with
a line-level input.
INPUT JACKS
Connect a stereo source to INPUT 1, 2,
3 and/or 4. The source equipment must
provide line-level audio from its line output or
headphone output. Typical sources include
tuner or receiver line outputs, CD decks,
computers, televisions, mixers and personal
listening devices. It is not necessary that all
inputs be connected.
LEVEL CONTROL
Adjust the level control for the desired level at
the LINE OUT jacks.
INPUT SELECTOR SWITCHES
Push the button corresponding to the desired INPUT.
The button will lock in position. The selected INPUT will
be switched to the LINE OUT jacks.
POWER INDICATOR
Glows blue when the
product is connected to
a valid power source.
POWER CONNECTION FIXED MOUNTING RUBBER FEET ATTACHMENT
Insert Power Plug
Bottom View
of chassis
Recess
Screw
directly to flat
surface without
installing rubber feet.
Rotate 1/4-turn
clockwise to lock.
Rotate 1/4-turn
counter-clockwise
to unlock. Peel backing and stick the 4 rubber
feet to chassis in recesses provided.

EZ-RA6
EZ-CC6
SELECTED MOUNTING ACCESSORIES
TYPICAL PERFORMANCE
Rack Adapter for 6 Increments of 1/6 Rack Width
Component Chassis for 6 Increments of 1/6 Rack Width
EZ-UCB2
Under-Counter Brackets 1/6 or 1/3 Rack Width
Use In Place of Filler Panel
Holds Adapters and Cables
Mounts in EZ-CC6 and EZ-RA6
Complete accessory listing available at: rdlez.com
Copyright © 2009 Radio Design Labs, Inc. RDL, Radio Design Labs and the RDL logo are registered trademarks of Radio Design Labs, Inc. Data reflects product at publication time, subject to change without notice. “Made in USA” applies to all EZ products except power supplies.
Inputs (4): Stereo on dual RCA jacks, > 10 kΩ, -10 dBV nominal, +10 dBV max.
LEVEL control: Off to +12 dB gain
Output: Stereo on dual RCA jacks, line level, -10 dBV nominal, +17 dBV max.
Frequency Response: 10 Hz to 20 kHz (±0.01 dB)
THD+N: < 0.02%
Crosstalk: < -70 dB (1 kHz)
Noise: < -80 dB (below -10 dBV)
24 Vdc power supply current: 30 mA (idle), 60 mA (max.)
Power supply input voltage: 100 to 240 VAC
Warranty: 3 Years; contact RDL technical support department for assistance
Case dimensions: 5.75” (14.6 cm)W x 5” (12.7 cm)D
Mounting size: 1/3 rack width
891-1565
EZ-DC2
EZ-SMB2
TYPICAL PERFORMANCE
Desktop Chassis 1/3 Rack Width
EZ-UCB2
Under-Counter Brackets 1/6 or 1/3 Rack Width
Surface Mount Bezel for 1/3 Rack Width Products
EZ-SD2
Storage Drawer 1/3 Rack Width
Copyright © 2009 Radio Design Labs, Inc. RDL, Radio Design Labs and the RDL logo are registered trademarks of Radio Design Labs, Inc. Data reflects product at publication time, subject to change without notice. “Made in USA” applies to all EZ products except power supplies.