L E V E L
O U T
T H R E E
OUT
ONE
LEVEL
LIMITED WARRANTY
This product is warranted to the original consumer
purchaser to be free from defects in materials and workmanship
under normal installation, use and service for a period of one (1)
year from the date of purchase as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty
Pat. Pend.
HA204
Headphone Distributor
shall be limited to repair or replacement (at our option), during the
warranty period of any part which proves defective in material or
workmanship under normal installation, use and service, provided
the product is returned to Rolls Corporation, TRANSPORTATION
CHARGES PREPAID. Products returned to us or to an authorized
Service Center must be accompanied by a copy of the purchase
receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as
a result of defacement, misuse, abuse, neglect, accident, destruction
or alteration of the serial number, improper electrical voltages or
currents, repair, alteration or maintenance by any person or party
other than our own service facility or an authorized Service Center,
or any use violative of instructions furnished by us.
• Single input, four output headphone/
earphone amplifier
• Slider volume controls
• Battery operation / AC adapter optional
• Full frequency response
• Lots of output level, it's loud.
The HA204 is for expanding or generating headphone
channels. It has a 1/8" stereo input, four volume controls,
four 1/8" stereo output jacks, and is powered by a single
9 volt battery, or optional AC adapter. The unit has 20Hz
to 20kHz frequency response and is small and easy to
use.
This one-year warranty is in lieu of all expressed warran-
ties, obligations or liabilities. ANY IMPLIED WARRANTIES,
OBLIGATIONS, OR LIABILITIES, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF MERCHANT-
ABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
SHALL BE LIMITED IN DURATION TO THE ONE YEAR
DURATION OF THIS WRITTEN LIMITED WARRANTY. Some
states do not allow limitations on how long an implied warranty
lasts, so the above limitation may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
FOR BREACH OF THIS OR ANY OTHER WARRANTY,
EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not
allow the exclusion or limitation of special, incidental or conse-
quential damages so the above limitation or exclusion may not
apply to you. This warranty gives you specific legal rights, and you
may also have other rights which vary from state to state.
Rolls Corporation
Salt Lake City, UT
3/02
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INTRODUCTION
BOTTOM
Thank you for your purchase of the HA204 Headphone Distributor (Pat.
Pend.). The HA204 will power four pairs of stereo earphones or headphones
for high quality audio monitoring.The unit is ideal for expanding head-
phone/earphone outputs on portable CD players, DVD players, electronic
game units etc.
Battery Cover: For battery replacement,
carefully press in the tab at the top of the
battery cover and remove the battery.
Replace with new 9 volt (alkaline recom-
mended) battery observing polarity. Place
the new battery into the HA204 battery slot
and replace the battery cover.
DESCRIPTION
REAR
STEREO INPUT: Stereo 1/8" TRS jack for
connection to a stereo line-level source.
This jack may also be connected to a
stereo headphone output.
DC PWR: For connection to an optional
AC power supply. Rolls Model PS27 12VDC, 150mA.
ON/OFF SWITCH: Connects/disconnects primary power to the HA204.
TOP
ON
STEREO 12VDC
INPUT
OFF
+
PWR LED: Indicates that the HA204 is in
operation via battery power, or connected
to an external AC power supply and is
receiving power.
-
PWR
2x4
two by four
Headphone/Earphone
SPECIFICATIONS
Amplifier
Pat. Pend.
Input Impedance:
Max Input Level:
Input Connectors:
Outputs:
Output Impedance:
Max Gain:
100K W unbalanced
+14 dBV
Stereo 1/8" (3.5mm) TRS phone
(4) 1/8" (3.5mm) Stereo TRS phone
51 W each output
20 dB/Channel
LEVEL 1 - 4: Controls the level of the
indicated channel output.
LEVEL
LEVEL
S/N Ratio:
THD:
>90 dB
<.008%
OUT
ONE
OUT
THREE
IMD (SMPTE)
Power:
<.008%
9V battery (not included)
12 VDC adapter (Rolls Model PS27)
1 lbs (.45Kg)
Weight:
Size:
FRONT
OUT ONE - FOUR: 1/8" stereo TRS jack
for connection to stereo headphones/
earphones.
3" x 4" x 1.25" (8 x 10 x 3.2 cm)
CAUTION: Plugging a mono plug into
the Phone Outputs may cause permanent damage to the unit. Use ONLY
TRS stereo plugs in these jacks.
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