Rolls HA43 Pro Headphone Amplifier
- Four headphone channels with slider volume controls
- 1/4-inch TRS and RCA stereo inputs
- Four 1/4-inch and four 1/8-inch outputs
$79.00 USD
Rolls HA43 Pro Headphone Amplifier
Made for studios, listening rooms, and monitoring stations, the Rolls HA43 Pro is a four-channel headphone amplifier with a slider volume control on each channel.
It takes a stereo source on a 1/4-inch TRS jack or a pair of RCA jacks and feeds four 1/4-inch and four 1/8-inch stereo outputs. Each channel gives up to 20 dB of gain, with a signal-to-noise ratio above 90 dB and distortion under 0.008 percent. An AC adapter is included.
Features
- Four headphone channels with slider volume controls
- 1/4-inch TRS and dual RCA stereo inputs
- Four 1/4-inch and four 1/8-inch stereo outputs
- Up to 20 dB of gain per channel
- Signal-to-noise ratio above 90 dB
- AC adapter included
About Rolls
Rolls, based in Salt Lake City, Utah, makes personal monitor systems, headphone amplifiers, mixers, power amplifiers, signal processors, and signal sources for audio, along with accessories for testing and interfacing.
What's Included
- HA43 Pro Headphone Amp
- AC adapter
Specifications
| Inputs | 1/4 in TRS stereo, dual RCA |
|---|---|
| Outputs | 4 × 1/4 in TRS stereo, 4 × 1/8 in (3.5 mm) TRS stereo |
| Input impedance | 100k ohms unbalanced |
| Maximum input level | +14 dBV |
| Maximum gain | 20 dB per channel |
| Signal-to-noise ratio | Over 90 dB |
| THD | Under 0.008% |
| IMD (SMPTE) | Under 0.008% |
| Current drain | 33 mA nominal, no load, at 15 VDC |
| Weight | 1 lb (0.45 kg) |
