LD Systems HPA 1 Headphone/In-Ear Monitor Amp

The LD Systems HPA 1 is a versatile headphone and in-ear amplifier in the form of a compact, high-output beltpack built for the stage and studio. In addition to a soft-touch finish, the HPA-1 features a practical belt clip, two lockable XLR inputs for the stereo signal, a balanced mini-jack input and a mini-jack output, and a built-in limiter to counter distorted sound. This tiny amp runs on a 9V battery, offers up to 9 hours of use on a single charge and can be recharged via the DC in (power supply not included).