Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: JVC Arsenal KD-R875BTS Single DIN Bluetooth In-Dash CD/AM/FM Car Stereo w/ Pandora Control, iHeartRadio compatibility and SiriusXM Ready
Product description: Single DIN Bluetooth In-Dash CD/AM/FM Car Stereo w/ Pandora Control, iHeartRadio compatibility and SiriusXM Ready
Product feature: 50W x 4 Chan. MAX, 22W x 4 Chan. RMS, 3 Sets of 4V Preamp Outputs, 13-band graphic equalizer with 8 selectable tone curves, Pandora Control
Product brand: JVC
Target attributes: RMS
Answer: attribute: rms
value: None
source: None