- Volume (Push/Pull Active-Passive)
- Overall Gain: +/- 10db by a trim pot on the module
- Treble: +/- 12db @4khz
- Bass:+/- 12db @ 50hz
Battery life is estimated to be around 180 hours for an Alkaline 9v. Adding an additional battery for 18v will provide more headroom and longer battery life.