Page 20 Installation and Operating Guide English
Setup and Operation pro.Bose.com
2.3 Rear-panel
FreeSpace
®
IZA 190-HZ
FreeSpace IZA 250-LZ
2.4 Loudspeaker connections
Use 18 AWG (0.8 mm
2
) to 14 AWG (2.0 mm
2
) size wire only.
2.4.1 Making loudspeaker connections (IZA 190-HZ)
Note: Loudspeaker connections are the same for the ZA 190-HZ amplifier.
Wire the 3-pin Euroblock:
Use pins 1 (70V) and 3 (COM) for 70V operation. Use pins 2 (100V) and 3 (COM) for 100V operation