For your consideration is a Stinger SPX700X4 Micro Amplifier 4-CH 700W for PowerSports/Marine Application These Units are being sold as **Untested** Purchased these in a locker unit with other Stinger models (Click on my store page for more items) I personally do not have any history on them I also do not know where to begin in regard to testing them individually Selling them for parts or repair final sale actual pics what is photographed is what is promised Remember they may have some or all of the following: Surface scratches/scuffs/dings/dents/bent/discoloration/missing screws in some cases (see pics) etc. I took great photos so you have the best idea of the item you will be receiving priced to sell fast and free shipping Thank you for shopping with us