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The Rolls HA204 is an inexpensive, 4-channel, portable headphone amplifier powered by a single 9 Volt battery or an optional AC adapter. This lightweight unit has a very cool and unique translucent blue appearance, and provides separate level control sliders for each of the 4 outputs. All connectors are 1/8" stereo mini jacks.
Portable 4-channel headphone amplifier with separate output level controls
9 Volt battery operation
High headroom, low noise
High 20 dB gain per channel
In the Box
Rolls HA204 - 4 Output Stereo Headphone Amplifier
1 Year Warranty
Table of Contents
Number of Channels
1 x 1/8" TRS Stereo Phone
4 x 1/8" TRS Stereo Phone
Maximum Output Level
20 dB per Channel
4 x Output Level Sliders
20 Hz - 20 kHz
THD + N
Not specified by Manufacturer
3 x 4 x 1.25" (8 x 10 x 3.2 cm)
16 oz (0.45 kg)
AC Adapter or 9 Volt Battery Operation Very Lightweight