Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Joyo JF-15 California Sound Boogie MKII Tone Pedal US Dealer w/ 2 Patch Cables
Product description: Analog mesa boogie Mk speakers, whether Bluesbreaker overload, or plexi roar, can be easily obtained. Size: 11.8 (length) X8.7 (height) X3.8 (width) cm Weight: 0.46KG
Product feature: Achieve tone of the lead channel on "Rectifier" series amps, 6 Controls for complete sound manipulation, unique crunch, Quality components, true-bypass wiring means no signal loss, Cool style from white and black shell-casing, reflection image, Voice control allows midrange sound shaping between guitars
Product brand: Joyo Audio
Target attributes: Effect Type
Answer: attribute: effect type
value: analog
source: product description