The Bogen ASM1 Self-Amplified EZ Install Ceiling Speaker installs in less than a minute without any tools. This 1W, clean sounding speaker includes ceiling-tile piercing studs, color coded wiring, durable grill and wire nuts. Enjoy clear, intelligible sound in minutes at offices, retail stores, etc.
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How we use this product: We purchased this product to use in a classroom (25'by 30' with 8 ft ceiling). We have a computer connected to this projector and wanted to pass sound through the projector to this speaker. Things that are great: Easy installation - Sounds Great - Sound dispersion of 120 degrees helps hearing it very well all over classroom - Looks very nice attached to ceiling - Sound can also be controlled by projector remote control and/or computer volume control - Volume control on speaker helps balance - Simple directions - Great price! One thing that we have learned is that we can connect several of these speakers together. I also asked the company about connecting a second speaker to this one - they indicated that it is possible to daisy chain up to 6 of these together. (Ask company support for more details.) To complete the install - you will need Bogen Communications PRS2403 24V DC, 300 mA Power Supply and either speaker wire (18 gauge is recommended) and a 3.5mm connector (solder or screw type) or one can purchase a cable with bare wire on one end and 3.5mm connector on the other end. This is used between the speaker and projector audio output. It is a great speaker and it is working great in our school classroom. I would highly recommend this product.
We used this product in the ceiling of our conference room. These speakers are VERY loud for only having a 1-watt amplifier built in. You will NEED to purchase separately, the 24 volt power supply for EACH speaker in use in order to install these and have them function. Installation is super-easy and requires NO tools if mounting in suspended ceiling tiles. I highly recommend these.