The A-48S incorporates state-of-the-art technologies to create a Class A power amplifier that delivers superb performance. Benefitting from years of ideal designs of high-performance units, the A-48S utilizes 6-parallel pull-push power MOS-FETs and boasts an output of 50 W into 8 ohms, 100 W into 4 ohms, 200 W into 2 ohms, and 400 W into 1 ohm at the same size as conventional models. The noise level has also been further reduced by 6%, while providing a damping factor of 1,000. The A-48S will bring the best out of any speaker, enabling you to enjoy unparalleled sound quality and expansiveness.

• Class A driven 6-parallel push-pull MOS-FET output stage
• Large linear output of 50 W / 8 ohms, 100 W / 4 ohms, 200 W / 2 ohms, 400 W / 1 ohm
• Instrumentation amplifier
• Current feedback amplification topology
• Balanced remote sensing
• MCS+ circuitry
• Large, high-efficiency toroidal transformer
• High capacity 68,000 μF filtering capacitors
• Large speaker terminals connected directly to protection circuitry
• Protection circuitry using MOS-FET switches
• High damping factor of 1,000
• Large, high-sensitivity power meters ranging from –50 dB
• Bi-amping connection and bridged connection switching
• Speaker output protection circuit guards against short-circuiting
• Aluminum hairline finish top plate
• High-carbon cast iron insulator feet with superior damping characteristics