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On-Stage HA4000 Four-Channel Headphone Amplifier with Independent Volume Controls

The On-Stage HA4000 Four-Channel Headphone Amplifier is the ideal solution for recording studios, podcasting, broadcasting, live streaming, and music production environments where multiple listeners need to monitor the same audio source. Featuring one stereo 1/4-inch TRS input and four independent stereo headphone outputs, the HA4000 allows up to four users to listen simultaneously while adjusting their own listening volume.

Compact yet powerful, the HA4000 delivers clean, low-noise audio with exceptional clarity across the entire volume range. Whether you're tracking musicians in the studio, monitoring a live broadcast, or sharing playback during mixing sessions, this headphone amplifier provides reliable, professional-quality performance.

Features

• Distributes one stereo audio source to four headphone outputs

• Four independent volume controls for personalized listening levels

• High-quality, low-noise audio performance

• Compact and space-saving design

• Ideal for recording studios, podcasting, broadcasting, and live streaming

• Allows multiple users to monitor the same audio source simultaneously

• Perfect for recording sessions, rehearsals, and audio playback

• Includes DC power adapter

Specifications

• Model: HA4000

• Product Type: Four-Channel Headphone Amplifier

• Application: Recording, Audio Playback, Monitoring

• Number of Outputs: 4 Independent Stereo Headphone Outputs

• Input Connector: 1/4" TRS Stereo

• Output Connectors: Four 1/4" TRS Stereo

• Input Impedance: 1000 kΩ (Unbalanced)

• Output Impedance: Minimum 10 Ω per Channel

• Maximum Gain: 20 dB per Channel

• Maximum Output Level: +22 dB

• Signal-to-Noise Ratio: >98 dB

• Power Supply: 12V-18V DC Adapter (Included)

Applications

• Recording studios

• Podcast production

• Live streaming

• Broadcast monitoring

• Music rehearsals

• Audio playback systems

• Home studios

• Content creation

• Classroom and training environments

Package Includes

• 1 × On-Stage HA4000 Four-Channel Headphone Amplifier

• 12V-18V DC Power Adapter

• User Manual

Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.