Aria AMB50 Acoustic Bass Guitar with Moulded Fibre Back.These affordable fiber capsule backed guitars are designed for the musician who needs to amplify their sound. It is an ideal entertainers electro acoustic guitar.As a body material, the moulded ABS fibre capsule gives the AMB series a unique look. The ABS fibre round back gives outstanding stability where temperature and humidity fluctuations could be a problem, making this guitar ideal for those outdoor gigs. With a 4 band graphic EQ onboard this model provides consistent electro acoustic bass performance.