McLelland MAR-15 Headphone Amplifier For sale is a brand new McLelland five-channel stereo professional headphone distribution amplifier, with separate level controls and 6.5mm outputs for each of five headphone amplifiers. All auction pictures are of the actual unit for sale. The unit is new and in its original packaging. Inputs can be provided in mono via a single TS audio jack, stereo via dual TS audio jacks, stereo via a single TRS jack or stereo via L/R RCA aux inputs. Separate insert points are provided for feeding an alternative stereo input to channels 1, 2 and/or 3. A link connection point is provided to allow for cascading connection between multiple units. Note: The power adapter supplied with this unit accepts 120V AC mains. If used with 240V mains supply a step-down transformer will be required. Alternatively, a standard after-market 12V DC adapter can be used (centre negative, current requirement is 150mA). Local pickup by arrangement, or can post at buyer's expense.