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? HyDrive paper/aluminum cone driver • Top-mounted amplifier with volume, bass, mid and treble controls • 1/4? input for active/passive basses, 1/8? stereo Aux input for stereo line level devices • 1/4? headphone output • Built-in limiter