The Electro - Voice EVF - 1151S features a single 15 - inch front - loaded bass element, delivering powerful and clear bass sound.

Using the Electro - Voice EVF - 1151S is easy. First, connect it to your audio source properly. You can use it for various events like parties or small gigs. When using, make sure the volume is adjusted gradually to avoid sudden loud noise. For maintenance, keep it in a dry and clean place. Wipe it with a soft cloth regularly to remove dust. Don't expose it to extreme temperatures or humidity. If there are any issues, refer to the user manual or contact customer service.