The Ampeg BA 115 is a 15” bass, 150 Watts, lightweight, portable and rugged speaker with 1” high frequency tweeter. It has a preamp with 3-band equalizer for ultra Hi/Lo tone shaping and a headphone output. The BA 115 has protective chassis for the amp. In addition, all corners of the BA-115 are made of impact resistant metal, making it a strong, high performance speaker for stage performance and other portable applications.