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HA4
Four Channel Stereo Headphone Amplifier
Applications:
Recording
Live Monitoring
Description
The HA4 is a compact stereo headphone
amplier featuring four discrete channels
with individual volume controls. Exceptional
signal-to-noise ratio ensures optimum clarity
and offers a transparent reproduction of your
session. The HA4 is an essential tool for
enhanced listening performance and a vital
accessory for the recording musician.
6573 Cochran Rd., Bldg. I Solon, OH 44139 U.S.A.
CAD Audio
Tel: (440) 349-4900 Fax: (440) 248-4904
Sales: 800-762-9266 www.cadaudio.com
©2011 CAD Audio Part No. 47700-0 2- 00 Aug2011
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HA4
Four Channel Stereo Headphone Amplifier
Specifications
†
Frequency Response ..................................20Hz -50KHz
S/N Ratio ...........................................................>110dBA
Maximum Input Level ........................................+16dBu
Output Impedance ............................................ 47 ohms
Output Power ....................................................... 50mW
Weight ........................................................11oz [0.31Kg]
RoHS ................................................................ Compliant
†
Specications subject to change without notice.
Top View
Individual Volume Control
Back View
Power Input (12v DC 200mA)
(Power Adaptor Included)
Front View
1/4" (6.3mm) Stereo Input
CAD Audio
6573 Cochran Rd., Bldg. I Solon, OH 44139 U.S.A.
Tel: (440) 349-4900 Fax: (440) 248-4904
Sales: 800-762-9266 www.cadaudio.com
©2011 CAD Audio Part No. 47700-0 2- 00 Aug2011
1/4" (6.3mm) Stereo Output
Five-Year Limited Warranty
CAD Audio hereby warrants that this product will be free of defects in material and
workmanship for a period of ve years from the date of purchase. In the unlikely event
that a defect occurs CAD Audio will, at its option, either repair or replace with a new
unit of equal or greater value. Retain proof of purchase to validate the purchase date
and return it with any warranty claim.
This warranty excludes exterior nish or appearance, damage from abuse, misuse of
the product, use contrary to CAD Audio’s instructions or unauthorized repair. All implied
warranties, merchantability, or tness for a particular purpose is hereby disclaimed and
CAD Audio hereby disclaims liability for incidental, special or consequential damages
resulting from the use or unavailability of this product.
This warranty gives you specic legal rights and you may have other rights that vary
from state to state. Some states do not allow the exclusion or limitation of incidental or
consequential damages or limitations on how long an implied warranty lasts, so the
above exclusions and limitations may not apply to you.
Note: No other warranty, written or oral is authorized by CAD Audio.
Shipping Instructions
Please call our customer service department at 440-349-4900 for a pre-approved return
authorization number.
Carefully repack the unit and return the insured package to: CAD Audio, 6573 Cochran
Road, Building I, Solon, Ohio 44139.
RETURNS WITHOUT A PRE-APPROVED RETURN AUTHORIZATION NUMBER WILL
BE REFUSED.
If outside the United States, contact your local dealer or distributor for warranty details.