Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: 4) New Pyle PLG69.5 6x9" 900 Watt 5-Way Car Audio Speakers Stereo PLG695 4-pack
Product description: The Pyle PLG69.5 6x9", five-way speakers have 450 watts (900W per 4-pack) of pure power, supported by a 0.5' neodymium dome tweeter and 2 super dome tweeters for sweet highs, 2' polymer cone for rich mids, and a high temperature voice coil to round out the low end. The non-fatiguing butyl rubber surround and yellow-color poly-injected cone provide a sturdy foundation for keeping your sound crystal clear and distortion-free. The 120 oz. magnet structure allows these speakers to achieve a frequency response of 45 Hz to 22 kHz. To boost performance, these speakers have been equipped with a strong capacitor, meaning your speakers will never struggle for power. Includes custom grills, wires, and installation hardware. Rubber Magnet Cover Impedance: 4 Ohms Yellow Coated Steel Basket 1 buy = 4 speakers We are an authorized Pyle dealer
Product feature: 4) New Pyle PLG69.5 6x9" 900 Watt 5-Way Car Audio Speakers Stereo PLG695 (4-pack), 225 Watts RMS (450W per 4-pack), 450 Watts Peak (900W per 4-pack), Standard 6''x9'' Size Fits OEM Locations, Yellow Color Poly Injected Cone
Product brand: Pyle
Target attributes: RMS Power Rating
Answer: attribute: rms power rating
value: None
source: None