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HA204p 4 Channel Portable 
Headphone Amp
Rolls Corporation 
Salt Lake City, UT 6/13
- Studio
- Live
- Broadcast
... Anywhere you need four channels of
clean, loud headphone amplication.
SPECIFICATIONS
Size:          4.5” x 1.125” x 4.5” 
Weight:          .85 lb
75889 02041
6 0
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 ap-
plications 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”
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!
HA204p Portable
4-Channel Studio Reference
Headphone Amplier
9V battery Operated
HA204p Portable
Battery operated
Studio Headphone Amp
Produkspesifikasjoner
| Merke: | Rolls | 
| Kategori: | Ikke kategorisert | 
| Modell: | HA204p | 
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