Rolls HA43 Headphone Amplifier
Best multi-channel headphone amplifier for small recording studios and practice spaces.
Enhance your audio monitoring with this versatile four-channel stereo headphone distribution amplifier. It efficiently splits a single stereo source into four independent headphone mixes, each equipped with its own volume control for personalized listening. Offering flexible connectivity through both 1/4" TRS and stereo RCA inputs, it also provides both 1/4" and 3.5mm headphone outputs. Ideal for studios, practice spaces, or any environment requiring multiple headphone feeds, this unit delivers exceptionally low noise performance and includes a necessary AC/DC adapter for immediate use.
$79.00
Owner Satisfaction
4.6
/ 5
Category Rank
345
/ 1047
#345 in Headphone Amplifiers
Price vs Category Average
-94%
Below average
Number of Headphone Channels
4
/ -Channel
Who it's for
- Recording engineers managing multiple performers in a studio session
- Mobile producers needing reliable gear for frequent travel
- Audio professionals connecting diverse consumer and studio equipment
Who should skip it
- Audiophiles using demanding, high-impedance reference headphones
- Engineers requiring precise signal monitoring and advanced routing options
- Studio owners looking to minimize cable clutter and power strip usage
Performance breakdown
Signal Clarity
Extremely low noise floor ensures pristine audio for critical monitoring tasks.
Connectivity Versatility
Dual input options and mixed output jacks handle diverse studio setups easily.
Channel Independence
Individual volume controls provide essential flexibility for multi-user headphone mixes.
Build Durability
Rugged construction stands up to the rigors of daily studio use.
Compact Footprint
Small form factor fits perfectly into crowded desks or tight racks.
Output Power
Clean gain staging provides sufficient headroom for most standard studio headphones.
Key Specs
Number of Headphone Channels
4-Channel
Gain/Trim Range
20 dB
Total Harmonic Distortion (THD)
< 0.008%
Signal-to-Noise Ratio (SNR)
> 90 dB
Analog Audio I/O
1x 1/4" TRS Input, 1x Stereo RCA Input
Headphone Outputs
4x 1/4" TRS, 4x 1/8" / 3.5 mm TRS
Input Impedance
100 Kilohms
Power Requirements
AC/DC Power Adapter (Included)
Know before you buy
Yes, the HA43 Pro features both output types for each of the four channels, allowing you to connect different types of headphones simultaneously without needing adapters.
The HA43 Pro is designed for extremely low noise performance with a signal-to-noise ratio greater than 90 dB, ensuring your audio remains clean and clear for professional monitoring.
No, the HA43 Pro takes a single stereo source and distributes that same signal to all four channels. You can control the volume independently for each listener, but the source audio remains the same for everyone.
Yes, you can connect devices like laptops or smartphones using the stereo RCA inputs, provided you have the appropriate adapter cable to convert your device's output to RCA.
Yes, the HA43 Pro includes a dedicated low-noise AC/DC power adapter in the box, so it is ready to use as soon as you plug it in.
The HA43 Pro provides a gain range of 20 dB, which is sufficient to drive most standard studio headphones to comfortable listening levels.
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