Rolls HA204 User Manual
Pat. Pend.
HA204
HEADPHONE
DISTRIBUTOR
ON
OFF
-
+
12 VDC
INPUT
STEREO
2x4
two by four
Headphone/Earp hon e
PWR
Pat. Pend.
Amplifier
www.rolls.com
1
4
2
3
LEVEL
LEVEL
LEVEL
LEVEL
OUT
OUT
OUT
OUT
ONE
FOUR
THREE
Owners Manual
TWO
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
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.
This one-year warranty is in lieu of all expressed warranties, obligations or liabilities. ANY IMPLIED WARRANTIES,
OBLIGATIONS, OR LIABILITIES, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY 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, INCIDENT AL 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 consequential 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.
HA204
Pat. Pend.
Headphone Distributor
• 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, f our volume controls,
four 1/8" stereo output jacks, and is po wered b y a single
9 volt battery, or optional AC adapter. The unit has 20Hz
to 20kHz frequency response and is small and easy to
use.
Rolls Corporation
Salt Lake City, UT
3/02
INTRODUCTION
Thank you for your purchase of the HA204 Headphone Distrib utor (Pat.
Pend.). The HA204 will po w er f our pairs of stereo earphones or headphones
for high quality audio monitoring. The unit is ideal f or expanding headphone/earphone outputs on portable CD pla yers , DVD players, electronic
game units etc.
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: F or connection to an optional
AC power supply. Rolls Model PS27 12VDC , 150mA.
ON/OFF SWITCH: Connects/disconnects primary power to the HA204.
BOTT OM
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 recommended) battery observing polarity . Place
the new battery into the HA204 battery slot
and replace the battery cover.
TOP
PWR LED: Indicates that the HA204 is in
operation via battery power, or connected
to an external AC power supply and is
receiving power .
1
STEREO
INPUT
www.rolls.com
12 VDC
PWR
2
ON
OFF
+
-
2x4
two by four
Headphone/Earp ho n e
Amplifier
Pat. Pend.
4
3
LEVEL 1 - 4: Controls the le v el of the
indicated channel output.
LEVEL
OUT
ONE
LEVEL
OUT
TWO
LEVEL
OUT
THREE
LEVEL
OUT
FOUR
FRONT
OUT ONE - FOUR: 1/8" stereo TRS jack
for connection to stereo headphones/
earphones.
CAUTION:
Plugging a mono plug into
the Phone Outputs may cause permanent damage to the unit. Use ONLY
TRS stereo plugs in these jacks.
SPECIFICATIONS
Input Impedance: 100K 9 unbalanced
Max Input Level: +14 dBV
Input Connectors: Stereo 1/8" (3.5mm) TRS phone
Outputs: (4) 1/8" (3.5mm) Stereo TRS phone
Output Impedance: 51 9 each output
Max Gain: 20 dB/Channel
S/N Ratio: >90 dB
THD: <.008%
IMD (SMPTE) <.008%
Po wer: 9V battery (not included)
12 VDC adapter (Rolls Model PS27)
Weight: 1 lbs (.45Kg)
Size: 3" x 4" x 1.25" (8 x 10 x 3.2 cm)
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