Boss KTN-50 Katana Amp Cover This authentic BOSS amp cover will help keep your Katana-50 combo looking new. Shields against dust, dirt, and grime while protecting from minor scuffs and scrapes. Made with durable polyester exterior and sized for a perfect fit. Features: - White embroidered BOSS logo - Reinforced seams and handle opening Purchase any Roland or Boss products and get 15% worth of Roland and Boss products FREE with purchase. Like amp covers, drum thrones, ac adapters, etc. OR Purchase Roland or Boss products and get 10% Back worth of other branded merchandise with purchase.