LSR6312SP Powered Studio Subwoofer System   LSR6325P-1 Linear Spatial Reference Bi-Amplified Studio Monitor LSR6328P Linear Spatial Reference Bi-amplified Studio Monitor  LSR6332 Linear Spatial Reference Studio Monitor System Recording & Broadcast LSR4326P A powered 6.25" two-way system LSR4328P Powered 8" two-way system LSR4312SP 12" Linear Spatial Reference Powered Subwoofer LSR2325P 5" Two-Way Bi-Amplified Powered Studio Monitor LSR2328P 8" Two-Way Bi-Amplified Powered Studio Monitor LSR2310SP 10" Powered Studio Subwoofer Control 2P (Stereo Pair) Model C2PS Since 1975