Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Subwoofer 600sw Ultra High Performance Cable - 12M (Discontinued by Manufacturer)
Product description: Ultra-High Performance Subwoofer Cable for the Most Powerful, Articulate Bass from Premium Home TheatersSurround sound with deep, powerful bass is essential to your home theater experience. But without the right subwoofer cable, your favorite movies won t have the thundering low end you demand. Many subwoofer cables lack adequate shielding for rejecting low-frequency noise those annoying buzzes and hums. Flimsy conductors without adequate power-handling capacity also limit subwoofer performance and bass response. There s a better way--Monster Cable 600SW.A High-End Subwoofer Cable for High-End Home Theater with Exclusive Monster Construction and Technology to Deliver Blockbuster BassMonster 600SW maximizes Dolby Digital and DTS surround sound performance for truly dramatic home theater. Dual solid-core bass conductors transmit low frequencies with ultimate power and accuracy, so your bass response is always deep, tight, and distortion-free. Plus, a second wire network maximizes frequency response and pitch definition. High-density dual-layer shielding ensures maximum rejection of noise and hum. Hear and feel all the action with Monster 600SW., Ultra-High Performance Subwoofer Cable for the Most Powerful, Articulate Bass from Premium Home Theaters Surround sound with deep, powerful bass is essential to your home theater experience. But without the right subwoofer cable, your favorite movies won’t have the thundering low end you demand. Many subwoofer cables lack adequate shielding for rejecting low-frequency noise; those annoying buzzes and hums. Flimsy conductors without adequate power-handling capacity also limit subwoofer performance and bass response. There’s a better way--Monster Cable® 600SW. A High-End Subwoofer Cable for High-End Home Theater with Exclusive Monster® Construction and Technology to Deliver Blockbuster Bass Monster® 600SW maximizes Dolby® Digital and DTS® surround sound performance for truly dramatic home theater. Dual solid-core bass conductors transmit low frequencies with ultimate power and accuracy, so your bass response is always deep, tight, and distortion-free. Plus, a second wire network maximizes frequency response and pitch definition. High-density dual-layer shielding ensures maximum rejection of noise and hum. Hear and feel all the action with Monster 600SW.
Product feature: Model_Number - MC 600SW-12M, Depth - 11.50, Height - 4.00, Width - 7.50, Weight - 2.3813
Product brand: Monster
Target attributes: RCA Plug Type
Answer: attribute: rca plug type
value: subwoofer
source: product description
attribute: rca plug type
value: subwoofer
source: product title