Пасивна двулентова тонколона - 2x15" + 4" - 1800W RMS FEATURESHigh power, two-way bass reflex full range system2 x 15" high power, 4" voice coil hypervented woofers1 x 4" high power titanium neo compression driver137 dB max SPL1800 Watt AESVery high output, response down to 40 HzBirch plywood cabin..