82-18905 - 12VDC Piezo Buzzer 75dB
12V 75dB Buzzer
A miniature sized, high quality buzzer used with alarm systems. The buzzer has a low power consumption and is clearly audible.
82-18920 - Weather Resistant 12VDC Piezo Alarm
Unobtrusive, weather resistant sounder, with a high frequency sound output and low current consumption. Ideal for motorbikes and vehicle alarms, internal and external security systems
50-14055 - 6 1/2'' Enclosed Ceiling Speaker Pair
Low cost, high quality ceiling speakers provide excellent sound in any whole house audio system, and are ideal for use in an insulated ceiling.
50-14845 - Compact 30 Watt Amplifier with Bluetooth Receiver
Ultra Compact 30W Amplifier with Bluetooth
Versatile device is smaller than a deck of cards, yet contains a highly efficient 30W stereo amplifier. It will easily drive up to two pairs of speakers and is perfect for many background music applications. Stereo 3.5mm...
I have used MCM for many years and would give high recommendation for getting the job done right.