Mackie THUMP18S Thump Series 18" 1200 Watt Powered Subwoofer Acoustic Guitar Vault use the VIBE switch to

use the VIBE switch to select either Chorus Mode—dry signal mixed with pitch-shifted signal—or Vibrato Mode—only pitch-shifted signal

so you don't need to worry about dangling mic cables that could accidentally tug your mics out of position

while providing the increased versatility of a modern amp

NY Steel cores for improved tuning stability and increased durability

Every channel has a big

Mackie THUMP18S Thump Series 18" 1200 Watt Powered Subwoofer Acoustic Guitar Vault use the VIBE switch to18" Powered Subwoofer 1200 Watts of Room Shaking Low End Professional band pass design for maximum output and deep, room filling lows 18" custom high output woofer Cool running Class D amplification Optimized for High Output Performance Precision crossover (140 Hz) Robust internal system protection Application Flexible Dual XLR inputs for mono or stereo applications Stereo high pass outputs optimize sound when connecting top boxes Stereo full range