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

Input:
Product title: Pioneer RMX-1000 Remix Station DJ Mixer, Black
Product description: RMX-1000 Remix Station is an innovative technologically advanced device for enhancing DJ performances with its ability to create and add a variety of new and unique remix effects, as well as rhythmic sampling capabilities. The RMX-1000 incorporates four remixing functions: Isolate FX, Scene FX, X-Pad FX and Release FX for simple musical arrangements with intuitive control, all accessible at the user's fingertips. The device comes with Pioneer's remix box editor software for customizing almost every function and feature of the unit, while the hardware itself can be used as a USB controller to perform with the included VST/AU RMX-1000 Plug-in.
Product feature: Scene FX allows users to choose between 5 build up or break down effects, Isolate FX focuses on HI/LOW/MID frequency bands, X-Pad FX enables users to develop and add new sounds Release FX lever eliminates the current music and leaves only sound effects, Remix box software and RMX-1000Plugin VST/AU plug-in software included, High quality sound and Easy connection to DJ mixer or studio computer
Product price: $125.99
Product brand: Pioneer DJ
Target attributes: Number of Buses
Answer: attribute: number of buses
value: None
source: None