The Yamaha BR15 15 2-Way Speaker Cab can really punch out bass and everything else. Easy-to-handle cab features computerized, high-precision, environmentally friendly woodworking; large steel handles; corner protectors; built-in pole socket; and balanced acoustic design. Tight, punchy lows come from Bass Reflex technology while crisp (not brittle) HF response is generated by new titanium driver with 90 by 40 nonresonant horn. Integral protection circuitry