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Whirlwind HATT Table Top Headphone Control Box
The HATT sits on the desk and gives one person their own headphone level. It is an active stereo amplifier, so it drives headphones from 8 to 600 ohms with low distortion and wide response rather than just attenuating a shared feed.
The front panel carries 1/4 inch and 1/8 inch headphone jacks and the volume control. On the rear are two 1/4 inch TRS stereo jacks and one 1/8 inch TRS jack for input and loop through, so several positions can be daisy chained off one source. It runs from the included 24 VDC adapter.
| Type | Active stereo headphone amplifier and control box |
|---|---|
| Mounting | Table top |
| Headphone impedance range | 8 to 600 ohms |
| Front panel | 1/4 in. and 1/8 in. headphone jacks, volume control |
| Rear panel | Two 1/4 in. TRS stereo and one 1/8 in. TRS input / through jacks |
| Power | 24 VDC adapter included |








