Power 4 pairs of headphones.

The HA-1X4 4-Channel Headphone Amp is versatile-perfect for most studio recording, live rehearsals, and field recording applications. It allows four channels of stereo headphone monitoring with individual level controls. The advanced design of the HA-1X4 Headphone Amp allows the widest dynamic range, with lowest noise and distortion. The 1/4" stereo jack input can be driven by any line level or headphone amp output. Rugged metal chassis for long-life reliability.

Nady HA-1X4 4-Channel Headphone Amp Features:

Versatile-perfect for most studio recording, live rehearsals, and field recording applications
Allows 4 channels of stereo headphone monitoring with individual level controls
Advanced design for widest dynamic range, with lowest noise and distortion
1/4" Stereo jack input can be driven by any line level or headphone amp output
Rugged metal chassis for long-life reliability
CONTROLS & CONNECTIONS
12VDC Power
Power LED
1/4" stereo input jack
4 x Individual volume controls
4 x 1/4" TRS stereo output jacks

Nady HA-1X4 4-Channel Headphone Amp Specifications:

Input Connections: 1 x 1/4" TRS stereo phone
Output Connectors: 4 x 1/4" TRS stereo phone
Power Indicator: red
Output Level: 4 audio stereo, 133.7 mVrms @ 8W, 2.2mW / output x 4
Frequency Response: 20Hz to 25kHz, +/- 3dB
Maximum Input Level: + 14dBV
Maximum Output Level: 20dB per channel
S/N Ratio: >90 dB
Power: 12 VDC / 350 mA adapter
Dimensions: 4"W x 3"D x 1-1/4"H (102 x 76 x 32 mm)
Weight: 9 oz. (255g)