Mackie HM-4 4-Way Headphone Amplifier

Whether you need to increase your home studio headphone monitoring capability or add robust cue mix distribution, the affordable HM-4 four-channel headphone amplifier offers the sound quality, reliability and flexibility you need to expand your setup. It’s also simple to use and wildly versatile. Use it to do everything from quickly demoing a mix in the studio to recording and monitoring a round-table podcast. .iframe-container{ position: relative; width: 100%; padding-bottom: 56.25%; height: 0; } .iframe-container iframe{ position: absolute; top:0; left: 0; width: 100%; height: 100%; } Product Specifications: Number of Headphone Channels: 4-Channel Analog Audio I/O: 1x 1/4"" TRS Unbalanced Stereo Input 4x 1/4"" TRS Unbalanced Output Impedance: Inputs: 10 Kilohms Outputs: 47 Ohms Power Requirements: AC/DC Power Adapter (Included) AC/DC Power Adapter: 12 VDC Current Consumption: 220 mA (Max) Dimensions: 4.3 x 2 x 2.3" / 10.9 x 5.1 x 5.8 cm Weight: 0.5 lb / 0.2 kg Shipping Weight: 0.925 lbs Shipping Dimensions (LxWxH): 7 x 5.7 x 2.85"