... 3. MF: 2*6.5" 4. LF: 2*12" Professional 12 inch Line Array L-12 Series , Pro Audio System, Line Array Speaker Feature1 ... Nominal Impedance 2*8Ω B. Sub Bass Model L-12 Q-218B Picture System Sub Bass Sub Bass System Sensitivity 103dB 103dB Low ... Home Theatre Speaker, Karaoke Speaker, Horn Speaker, Long Throw Speaker, Sub Woofer, Sub Bass, Woofer Speaker, Amplifier, Power Amplifier, Microphone, Mixer are ...