Benchmark HPA4 Headphone / Pre- Amplifier with remote control Colour:Silver 25-inch midrange driver has been

25-inch midrange driver has been updated with a larger Deep Ceramic Composite (DCC) diaphragm

and thereby coloration

and everything sounds more focused

The unit takes the mains electricity supply and realigns its waveform prior to filtration of the contaminants

Benchmark HPA4 Headphone / Pre- Amplifier with remote control Colour:Silver 25-inch midrange driver has beenFeaturing the flagship THX 888 amplifier design, the revolutionary HPA4 headphone amplifier incorporates the same THX AAAtechnology that Benchmark uses in the AHB2 power amplifier. The HPA4 delivers sonic perfection. Hear the music without any contamination from electronic noise or distortion. The HPA4 delivers power, audio fidelity, speed and accuracy over an utterly silent background. Benchmark HPA4 Headphone Line Amplifier The Ultimate Headphone