Internal gain trimme   Frequency response: 10 – 30,000 Hz   Bass control starts at 100 Hz   Midrange filter from 1.5 kHz   Altimeter controls at 10 kHz   Input impedance: 1 kOhm   Low impedance output   Battery life: approx. 180 hours.   Specially designed for acoustic guitars, but also very well suited for many other acoustic instruments   Excellently suited in combination with the Pure pickups   Special broadband center filter   /- 20 db bass   Center and height controlsCustomer ReviewsNo reviews yet. Be the first to review!