Product Description


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.



Model: B-28

Configuration: 2x18” ULF driver

Frequency response: 27Hz-220Hz

Power rated: 1400W

Sensitivity: 105dB

Maximum SPL: 136dB

Nominal Impedance:

Dimensions(WxHxD): 1060mm×920mm×580mm

Weight: 104kg

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We adhere to the business philosophy of excellent quality, reasonable price, fast delivery and thoughtful service.


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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Company address:

7th floor, Litai building, Lianfeng Industrial Park, Zhoucun, Lishui Town, Nanhai District, Foshan City, Guangdong Province


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