SPL HPm Dual Headphone Amplifier 500 Series

Maximum input & output gain

21 dBu

Input impedance

10 kΩ

Output impedance

150 Ω

Common mode rejection

> 82 dB

Frequency range (-3 dB)

10 Hz – 100 kHz

THD & N (0 dBu, 10 Hz – 22 kHz)

0.03 %

Noise

-92.3 dBu

Dynamic range

113 dB

SPL HPm Overview

The HPm Headphone Monitoring Amplifier from SPL has two headphone outputs. Each of the two headphone outputs is supplied by a separate amplifier, allowing two headphones to operate independently. The Phonitor Matrix allows you to adjust the crossfeed, speaker angle, and center level to get speaker-like listening and monitoring on headphones. Because the HPm’s input signals slave to the 500-series rack’s outputs, it is simple to connect it between the DAW and a monitor controller. The HPm’s features include phase inversion of the left or right channel, as well as a Stereo/Mono/Mute switch.

Features of SPL HPm Headphone Amplifier

 A 500-series rack module housing a headphone monitoring amp with SPL Phonitor Matrix

 Two headphone outputs with independent amplifier stages.

 The Phonitor Matrix removes the super-stereo effect found in typical headphone amplifier designs.

 Provides a speaker-like listening experience on headphones.

 Adjust the crossfeed and speaker angle for equivalent sound quality between headphones and loudspeakers.

 Use a center level to properly level phantom center signals while mixing on headphones.

 Rack module with dual 500-series slots.

 Made in Germany.