Nitecore Li-Ion Rechargeable 16340 Battery 950mah 3.6v Autobacs You can quiet down the

You can quiet down the noise and get better sound

With the other you choose the right mode

Type: Active Subwoofer Box

Wiring and Antenna Connections:

Nitecore Li-Ion Rechargeable 16340 Battery 950mah 3.6v Autobacs You can quiet down theThe Nitecore NL169 is a RCR123A 16340 lithium ion battery designed with an improved capacity of 950mAh for flashlights, cameras, and other devices. Ultra Mini Size 950mAh High Capacity The capacity has increased by 46% compared with the previous generation, which is far beyond the conventional 16340 batteries. Safety Features Microporous barrier protects delicate internal components, coated with durable metallic film to guard against abrasion Purpose