This QED SS40 4 way speaker switch connects and switches 4 pairs of speakers
from one stereo amplifier. This switch uses a combination of series and parallel
wiring inside to ensure that when 8 Ohm speakers are connected, the impedance never
drops below 4 Ohms at the amplifier.
Not suitable for use with the WM14 volume
control. Silver plated switch contacts. 150 Watts RMS power rating
Specification of QED SS40 Performance speaker switch
Series/parallel switching ensures safe amplifier loading of 4 Ohms with all pairs on (assuming 8 Ohm speakers used)
Power rating: 150Watts RMS
Silver-plated switch contacts
Large cable entry protected terminals - 3.95mm diameter
Dimensions: 55mm x 157mm x 155mm (H x W x D)