GPSS-650: Can I use speaker with battery removed? Yes, your GPSS-650 will work with the battery removed and the power switch flipped to the ON position. Product: GPSS-650 Related articles GPSS-650: Can the GPSS-650 be used for karaoke parties? I have a powered mixer...Can I hook up my powered speakers to it? GSW-T1500 Speaker Battery Replacement Guide GMU Series: How to pair? How to Daisy Chain GHSI Series Active and Passive Outdoor Speaker Sets