BS678 Wall Speaker 100V6W Off White (was BS677) Passive PA Speakers HF: 140 dB Continuous

HF: 140 dB Continuous

Battery Charge Time: 7 Hours

Boom arm length: 525 mm

Sensitivity: 90 dB SPL

Selectable booster feed for powering active antennas and boosters

BS678 Wall Speaker 100V6W Off White (was BS677) Passive PA Speakers HF: 140 dB ContinuousThe BS 678, of which cabinet is made of wood, can be installed in a vertical or horizontal orientation. Either concealed in wall wiring or exposed wiring can be used for speaker cable connection. The speaker structure that permits direct wall mounting with screws prevents the speaker from falling easily even if an outward force is applied to. The input impedance can be easily changed by changing the tap position of the transformer. Two built in 6 inch