B-28 is ULF speaker with high power output, built in two high power 18-inch drivers, two drivers are interact work to gain biggest output sound pressure. Every 18-inch woofer made of large magnet and 4 inch caliber copper wire inner and outer double voice coil, whch can minimize the power compression at the critical point and extend the life of the speaker unit.
Configuration: 2x18” ULF driver
Frequency response: 27Hz-220Hz
Power rated: 1400W
Maximum SPL: 136dB
Nominal Impedance: 4Ω
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TRS speakers in the United States, with the perfect combination of natural art and advanced professional technology, have always been loved by global sound engineers and acoustic designers for their high definition and strong shock.
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