The all-new HD15 Bass Combo packs Hartke's patented HyDrive speakers into a sleek combo design for small venues, rehearsal spaces and bedroom practice sessions, and capable of greatly enriching your low-end tone. The HD15 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability. Key Features: · 15 watts, 6.5 inch. HyDrive paper/aluminum cone driver · Top-mounted amplifier with volume, bass, mid and treble controls · 1/4 inch. input for active/passive basses, 1/8 inch. stereo Aux input for stereo line level devices · 1/4 inch. headphone output · Built-in limiter