OnStage On-Stage HA4000 4-Channel Pro Headphone Amplifier,Black,White

• Max Output: +22dB Signal-to-noise ratio: >98dB
• Input: Stereo TRS 7.5mm Output Connector: Stereo TRS 7.5mm
• Input Impedance: 1000KO (Asymmetrical) Output impedance: at least 10 O per channel.
• Maximum gain: 20dB per channel
• Power supply: adapter 12-18 V DC (included).

With the 4-channel headphone amplifier HA4000, up to four people can listen to a recorded socket at the same time while adjusting their own volume. A high-quality sound is obtained even at full volume. The HA4000 is also ideal for use during playback or recording, allowing the headphones to hear the main mixing.