Rock N Roller RCSTR8X2BK 8 x 2-Inch R-Trac All-Terrain Stealth Casters with Brake for R12STEALTH - 2-Pack option-title-16-Channel Portable Frequency Range (-3 dB): 65

Frequency Range (-3 dB): 65 Hz - 15 kHz (4π)

Maximum Input (@ 1 kHz): 106 mV

Wirelessly link SRT speakers together for music streaming applications plus complete control over both speakers The latest Bluetooth technology allows up to 100 meters of range between linked speakers

Treble and bass controls let you boost or cut by 10 dB to compensate for room anomalies

BLU Link High Bandwidth

Rock N Roller RCSTR8X2BK 8 x 2-Inch R-Trac All-Terrain Stealth Casters with Brake for R12STEALTH - 2-Pack option-title-16-Channel Portable Frequency Range (-3 dB): 65Rock N Roller RCSTR8X2BK 8 x 2 Inch R Trac All Terrain Stealth Casters with Brake for R12STEALTH 2 Pack The specially engineered RockNRoller RCSTR8X2BK all terrain R Trac casters offer a cushioned ride akin to pneumatic tires, featuring a built in locking brake for added stability. They boast minimal rolling resistance, lightweight construction, and no flat capabilities.