Information:
For unequalled sound quality and ease of use, it's hard to beat the performance of the Rare Earth pickups. Cutting-edge neodymium magnets provide excellent string-to-string balance while the pickup's active electronics and low-noise, discrete circuitry design keep the sound pure and clean.
 
Specifications:

• Re-voiced and fine-tuned for smoother treble response
• Cutting-edge neodymium magnets now produce a warmer more naturally acoustic tone
• Flexible cardioid microphone and mic/pickup blend control
• Active electronics for a pure, clean sound
• Newly designed mounting system and ergonomic body shape
• Can be plugged into an instrument amplifier, sound reinforcement system, recording console or direct box
• Miniature batteries (included) mount conveniently on the underside of the pickup
• Low current design allows 150 hours use between battery changes
• Fits in soundholes as small as 3-5/8" (92mm) diameter
• Pre-wired output jack can also be endpin mounted
• Active electronics for a pure, clean sound
• Excellent string-to-string balance
• Easy installation with no alteration – plug-and-play right out of the box