Rolls HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier

Rolls HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier

Rolls HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier

B&H # ROHA204P MFR # HA204P

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Rolls HA204P overview

  • 1Description

The Rolls HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier is a full frequency response, 4-channel headphone monitoring device designed for the recording studio or other professional applications like listening rooms and monitoring stations. Each output boasts 20 dB of clean channel gain.

The HA204p Amplifier drives up to 4 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 sacrificing audio quality.

Inputs: 1/8" stereo TRS jack and dual RCA jack for connection to the stereo line-level signals to be monitored
Outputs: Four 1/8" TRS stereo jacks for connection to headphones or earphones
Channel Levels: Four knobs adjust the level of the indicated channel
Rotary volume controls
9V battery operated
15 to 35 kHz frequency response
VDC Power: Connects to the Rolls PS27s 15 VDC adapter
Applications: Studio, live, broadcast
UPC: 675889020410
In the Box
Rolls HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier
  • AC Adapter
  • Limited 1-Year Warranty on Parts and Labor
  • Table of Contents
    • 1Description

    Rolls HA204P specs

    Input Impedance 47 kΩ
    Maximum Input Level +13 dBV adapter, +8 dBV battery
    Input Connectors TRS stereo 1/8" (3.5 mm), Dual RCA
    Outputs 4 x TRS stereo 1/8" (3.5 mm)
    Output Impedance 10 Ω each output
    Maximum Gain 20 dB/channel
    S/N Ratio >90 dB
    THD <0.008%
    IMD SMPTE: <0.008%
    Current Draw Nominal: 30 mA minimum/ 400 mA maximum
    Expected Battery Life 8 hours continuous use
    Frequency Response 15 to 35 kHz
    Headphone Impedance 16 to 500 Ω
    Power 15 VDC (Rolls model PS27s)
    Dimensions 4.5 x 1.1 x 4.5" (11.4 x 2.8 x 11.4 cm)
    Weight 0.85 lb (0.39 kg)
    Packaging Info
    Package Weight 1.15 lb
    Box Dimensions (LxWxH) 7.8 x 4.7 x 2.3"

    Rolls HA204P reviews

    HA204p Portable 4-Channel Battery Operated Studio Reference Headphone Amplifier is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Rolls Amplifier Works as Hoped For I bought the Rolls Headphone Amplifier to allow several people to simultaneously monitor an audio feed and it has worked well. A power-cube is included for use when a power outlet is available, however I am using it in the Field so the 9v battery which can power it allows me to use the Rolls Amplifier anywhere. I am pleased with the rugged metal construction and the simple power switch and individual level controls, the Rolls sounds wonderful and I have tested it with several different portable Recorders and Headphones and I am quite pleased and would certainly purchase it again and can recommend it wholeheartedly.
    Date published: 2018-01-25
    • y_2018, m_11, d_8, h_15
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    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_1002552, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_bhphotovideo
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