* It is currently sold for business use. BOSE 101MM high impedance model Equipped with a rotary switch that can select the impedance, multiple units can be connected in parallel and used. Please check the specifications of the amplifier and use it with an appropriate number (Tetsuji Oikawa)
Accessories: None
Main specifications: Impedance 880/1280/2440/5050Ω 88dB 70-17kHz W232 × H154 × D152mm 2.5kg