Seymour Duncan 11995-01 Pickup SFX - 01 Booster :

Features:

• Gain range: 6 to 25dB
• Works with either humbuckers or single-coils
• Pickup Resonance Switch: Makes a single coil sound like a vintage humbucker or high output humbucker
• Bypass: True bypass
• Noise: -120 dBV (referred to input with gain set at 25dB)
• Type of circuitry: Fully discrete, class A
• Distortion: < 0.1%
• Power: DC 9-12 V battery, or regulated DC adapter
• Current consumption: 3.5mA @ 9V (when LED is "on"), 1.5mA @ 9V (when LED is "off")
• Input impedance: 500K (when effect is "on"), Open (when effect is "off")
• Output impedance: 5K ohms
• Dimensions: 2.5" x 5" x 2" (W x L x H)
• Weight: 0.8 lb. Without battery, 0.9 lb. With battery
• Chassis material: Heavy duty 1.6 mm steel
• Compatible with PSA120S and 1Spot9v power adapters