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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-HDA4B

Stereo Headphone Distribution Amplifier

Model numbers:

EZ-HDA4B  includes power supply with North American plug

EZ-HDA4BX  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

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