HAS-3S High-End Speaker / Amplifier Selector

The Invisible Switch. Ultimate Signal Integrity for Speakers and Amplifiers.

The HAS-3S is a premium speaker selector designed by professional amplifier engineers to be "acoustically invisible." Whether you are switching between three pairs of speakers or three different power amplifiers, the HAS-3S ensures that your high-end audio signal remains pure and untouched.

Key Features

• ■ Industry-Leading Low Resistance (6mΩ)
  By achieving an incredibly low internal resistance of just 6mΩ (terminal-to-terminal), the HAS-3S prevents any drop in Damping Factor (DF), preserving the tight bass and transient response of your speakers.
• ■ BTL & Tube Amp Compatible
  The selector switches both positive (+) and negative (-) lines simultaneously. This makes it safe for use with all amplifier types, including BTL (Bridge-Tied Load) models and high-end vacuum tube amplifiers.
• ■ Premium Japanese Rotary Switch
  Equipped with a custom, large-scale (43mm) Japanese-made rotary switch featuring gold-plated contacts. Designed for low contact resistance, high reliability, and a luxurious tactile feel.
• ■ High-End Construction
  Features high-purity Oxygen-Free Copper (OFC) internal wiring and a 4mm thick aluminum front panel. The 40mm solid aluminum machined knob provides a weighted, professional operation.
• ■ Versatile & Secure Connectivity
  Equipped with high-quality binding posts that accommodate banana plugs, Y-spades (8mm+), and thick bare wires. Wide terminal spacing prevents accidental short circuits.

Applications

• Speaker Selector: Connect 1 amplifier to up to 3 pairs of speakers.
• Amplifier Selector: Connect 1 pair of speakers to up to 3 different power amplifiers.

Technical Specifications