Primacoustic RX12-HF Mid-Field Recoil Stabilizer - Horizontal Fire - 20" x 13" Marshall John Lennon and George Harrison

John Lennon and George Harrison bought Casinos for the Beatles' 1966 world tour

Jensen Transformer isolated outputs

plus a mutlitude of other tasks

ID tag holder

and the XLR jack accepts a mic input

Primacoustic RX12-HF Mid-Field Recoil Stabilizer - Horizontal Fire - 20" x 13" Marshall John Lennon and George HarrisonDesigned for nearfield monitors, the Primacoustic Recoil Stabilizer is a unique speaker mounting device that at once eliminates disruptive resonant coupling from the loudspeaker to the stand, while providing a stable base that reduces the recoil caused by the forward energy of the loudspeaker motion. The Recoil Stabilizer is a loudspeaker platform that combines three basic components: a high density urethane foam base to isolate the speaker from the