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The HA43 Pro is for expanding or generating four additional headphone channels. It has a 1/4" TRS stereo input, stereo RCA input, four volume controls, four headphone outputs, and is powered by an included AC/DC adapter.
Four stereo headphone distribution amplifier
Four output level controls
Small footprint makes the unit easy to use in different situations
Extremely low noise
EAN: 675889000436
Rolls HA43 PRO Specs
| Form Factor | Tabletop |
| Number of Headphone Channels | 4-Channel |
| Recommended Headphone Impedance | Not Specified by Manufacturer |
| Headphone Output Power | Not Specified by Manufacturer |
| EQ | None |
| Display | None |
Connectivity
| Analog Audio I/O | 1 x 1/4" TRS Stereo Input (Rear Panel) 1 x Stereo RCA Coaxial Input (1 Stereo Pair, Rear Panel) 4 x 1/4" TRS Headphone Output (Front Panel) 4 x 1/8" / 3.5 mm TRS Headphone Output (Front Panel) |
| Digital Audio I/O | None |
| Network I/O | None |
| USB | None |
Performance
| Gain/Trim Range | 20 dB |
| Maximum Input Level | +14 dBV |
| Impedance | Inputs: 100 Kilohms |
| THD | < 0.008% |
| SNR | > 90 dB |
Power
| Power Requirements | AC/DC Power Adapter (Included) |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC/DC Power Adapter | 15 VDC at 500 mA, Center-Negative (Included) |
| Current Consumption | 33 mA |
Physical
| Dimensions | 4 x 3 x 1.25" / 102 x 76 x 32 mm |
| Weight | 1.0 lb / 0.5 kg |
Packaging Info
| Package Weight | 0.985 lb |
| Box Dimensions (LxWxH) | 7.2 x 4.75 x 2.4" |
In the Box
- Rolls HA43 Pro Four-Channel Stereo Headphone Amplifier
- PS27s Power Adapter
- 2-Year Manufacturer Warranty
Customer reviews
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Most positive
Hank
Wednesday, 29 November 2023
Comment
Was thrilled to see it is made in the USA. The dual inputs are great! Have a few headphones, earbuds, ...
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Clemmie
Tuesday, 28 November 2023
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This unit is at the low end of the price range, so wasn't expecting greatness. If I was operating a ...
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With photos
Hank
Wednesday, 29 November 2023
Comment
Was thrilled to see it is made in the USA. The dual inputs are great! Have a few headphones, earbuds, ...
Clemmie
Tuesday, 28 November 2023
Comment
This unit is at the low end of the price range, so wasn't expecting greatness. If I was operating a ...
Marsha
Saturday, 25 November 2023
Comment
This works very well to control the volume individually for each of up to 4 separate pairs of headphones all ...
