Buy POWER AMPLIFIERS online with confidence at Derringers Music. A South Australian owned musical instrument shop offering our best deals on the POWER AMPLIFIERS. Delivering to Brisbane, Sydney, Canberra, Melbourne, Hobart, Adelaide, Perth, Darwin, Australia wide. Shipping daily! Find out about our best deals and sales at discount prices. Choose from hundreds of music industry known brands and thousands of products. Can't find it online? Bet we have it in store! Call us on 08-8371-1884. All competitors online and counter prices challenge! Try our best buy, low price challenge. Compare prices, shop online and get your best price from Derringers.