75889 02041
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INTRODUCTION
Thank you for your purchase of the HA204p Por-
table Headphone Amplier. The HA204p drives up
to four pairs of stereo headphones for high quality
audio monitoring. The unit is intended for sound
reinforcement, studio, choir, install, and other applications where a smaller size is desired without
sacricing audio quality.
SPECIFICATIONS
Input Impedance: 47k Ohms
Max Input Level: +13 dBV adapter, +8 dBV Battery
Input Connectors: TRS Stereo 1/8”, Dual RCA
Outputs: 4 - TRS Stereo 1/8” (3.5mm)
Output Impedance: 10 Ohms each output
Max Gain: 20 dB/Channel
S/N Ratio: >90 dB
THD: < .008%
IMD (SMPTE): <.008%
Nominal Current Draw: 30 Mills Min./ 400 Mills Max.
Expected Battery Life: 8 Hours Continuos use
Frequency Response: 15-35K Hz.
Recommended Headphone Impedance: 16 to 500
Ohms.
Power: 15 VDC (Rolls Model PS27s)
Weight: .85 lb
Size: 4.5” x 1.125” x 4.5”
clean, loud headphone amplication.
... Anywhere you need four channels of
- Broadcast
- Live
- Studio
Headphone Amp
HA204p 4 Channel Portable
Studio Headphone Amp
Battery operated
HA204p Portable
HA204p Portable
4-Channel Studio Reference
Headphone Amplier
9V battery Operated
DESCRIPTION
INPUTS: 1/8” Stereo TRS jack, and Dual RCA jack
for connection to the stereo line-level signals to be
monitored.
VDC PWR: Connects to the Rolls PS27s 15VDC
(outside of the barrel positive) adapter.
CHANNEL LEVELS: Knobs 1 - 4 adjusts the level
of the indicated channel.
OUTPUTS 1 - 4: 1/8” (3.5mm) TRS stereo jacks for
connection to headphones or earphones.
WARRANTY INFO
Please visit our web site, www.rolls.com, for the
Rolls 1 Year Warranty information and registration.
The HA204p is a full frequency response, four
channel headphone monitoring device designed
for the recording studio, or other professional
applications like listening rooms and monitoring
stations. Each output boasts a whopping 20 dB of
clean channel gain.
• Stereo 1/8” and Dual RCA Inputs
• Rotary Volume controls
• AC adapter included
• 15-35k Hz frequency response
• Lots of output level.... it’s loud!
SPECIFICATIONS
Size: 4.5” x 1.125” x 4.5”
Weight: .85 lb
Rolls Corporation
Salt Lake City, UT 6/13
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