From AKG Microphones

The HP4E professional headphone amplifier features two stereo input and four stereo output channels of high-quality audio. Designed for ease of use, convenient switches on the front plate enable you to select your designed input. Each channel features both a 1/8” (3.5 mm) and 1/4” (6.3 mm) headphone output for easy connectivity – no adapters required. Housed in a sturdy metal chassis, the HP4E is an ideal headphone amp for any recording session. Available in the US only.

Design
4-Channel Headphone Amplifier
Input
6.3 mm (1/4”) socket - unbalanced
Input impedance
100k Ohms
Output
3.5 mm (1/8”) socket and 6.3 mm (1/4”) socket per channel
Output impedance
11 Ohms
Audio frequency bandwidth
20 - 20000 Hz
Max. output level
220 mW
Distortion
<0.05%
Signal to Noise
better than 85 dB-A
Net weight (incl. power supply)
760 g

Free 3-Year Warranty

In addition to the standard included manufacturer warranty, virtually all new products carry our exclusive, industry-leading, absolutely free Sound Pure 3-Year Warranty, which includes parts and labor. It's our way of adding real value to the personal touch our small, dedicated team brings to every purchase.

Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →

Sound Pure Studios Control Room A — Durham, NC

Sound Pure Studios · Durham, NC

Come hear it in our control rooms.

Sound Pure is a working studio in Durham, NC — a 1,000 sq ft live room and two pro control rooms. Book a session to audition gear in a world-class acoustic space before you buy.

$185