Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: In Wall CL2 Speaker Wire 14 Gauge 4 Conductor 99 Strands 250FT
Product description: Speaker wire is used to make the electrical connection between loudspeakers and amplifiers. The speaker wire you use can have a noticeable impact on the sound quality of your system. Even the greatest speakers won't sound their best with poor-quality wire. Our 14AWG/4C in-wall speaker wire, which is made from 99 strands and is CL2-rated for use inside walls, will deliver the optimal sound experience.
Product feature: 4 x 14 gauge stranded conductors, Strand count: 99 wires (0.16mm each), Jacket: CL2 rated / white color, Insulation Colors: Red, Black, Green, and White, Length: 500 feet
Product brand: Fluid Communications
Target attributes: RCA Plug Type
Answer: attribute: rca plug type
value: None
source: None