Tadiran Batteries, Voltage: 3.6 V
29-2100 - Tadiran Battery TL-5155 3.6 V
29-2105 - Tadiran Battery TL-5104 3.6 V
24-12553 - 3' Stereo Patch Cable;dual M-to-m Nickel RCA Plugs
Ideal for stereo connections between audio equipment components. Dual RCA male right/left channel color-coded (red; white). Nickel plated contacts.
24-15507 - 500' 16AWG 2-Conductor CL2 In-Wall Speaker Wire
Premium UL CM/CL2 In-Wall Speaker Wire
Two conductor wire made of high purity, oxygen free bare copper. Ideal for in-wall speakers, intercom systems and many other audio applications. Individual conductors in a flexible common jacket for ease of installation....
293-115 - CR2032 Lithium Button Cell Battery
Duracell Lithium Button Cells, Used for: Watches, calculators, keyless entry remote controls, computers and other devices
I have dealt with MCM Electronics a number of times and have been more than satisfied.