Specifications include, but are not limited to: The school is seeking a contractor to provide audio, visual, and lighting systems for installation within a gymnasium. ● Loud Speakers ○ Main speakers shall consist of 2 ea JBL CBT-70-J-1 / CBT-70-JE-1 compact line array or equivalent mounted on metal beams each side of stage. Bottom of speaker shall be 16 feet above finished floor. ○ Two supplemental loudspeakers shall be installed on rear wall aimed at the bleachers to accommodate high noise levels during athletic events. Bottom of speaker shall be 8 feet above finished floor. NOTE: The South wall is most critical in terms of reducing harmful reflections. The speakers will be directed from the front stage area toward the back wall to produce proper imaging i.e. the sound appears to come from its natural source. In addition, far field reflections (those coming from the greatest distance) are most detrimental to speech intelligibility. ○ Supplemental loudspeakers shall be JBL CBT-100AL or equivalent. Provision shall be made to mute the amplifier driving the supplemental loudspeakers during events emanating from the stage area. ○ Bass enhancement shall be provided by 2 JBL PRX-818XLF powered subwoofers or equivalent installed under bleachers toward the front of the room. ● Mixer ○ Sixteen channel Digital Mixer shall be installed in rack located in rear closet. Allen & Heath QU-16 or equivalent. Mixer shall have wireless network capability (not AD-hoc wireless) or wired ethernet (preferred) to facilitate IPAD control. ● Amplifiers ○ Crown XLC-2800 for main loudspeakers, Crown XLC-2500 for supplemental loudspeakers. Equivalent units acceptable. ● Microphones ○ The school has existing wireless microphones. ● Portable Connectivity to Mixer ○ Install wireless receiver to facilitate full remote control from portable device (such as an iPad) to mixer (located in a storage room adjacent to the gym). ● Miscellaneous ○ Provide swing out 19" rack, AC power panel, 14-2 speaker cable for main speakers, 16-2 for supplemental speakers. All other audio interconnects shall use 2 conductor shielded cable with XLR connectors. 1/4" phone plugs are not acceptable except for Bluetooth receiver.