Guitar AmplifiersThe worlds best Studio and Stage Equiment at Tough AudioTough Guitar Amplifiers ISP Bass Vector 210 Guitar Cabinet $1,799.00 $1,679.00 ISP Technologies Vector Full Spectrum $3,299.00 $2,899.00 VHT Special 6 – Head Amplifier $529.00 VHT Special 6 – Combo Amplifier $599.00 VHT Special 6 Ultra – Head Amplifier $699.00 VHT Special 6 Ultra – Combo Amplifier $849.00