Quadraspire Q4 Evo Wood Series The semi-open design provides a

The semi-open design provides a wider soundstage than a fully closed headphone while maintaining moderate isolation

A compelling mid-tier electrostatic for serious listeners

Auto-switching input

Silver and Black ultrafine CNC precision finish

SR-009S and SR-X9000 owners who want STAX's best solid-state driver for reference-level electrostatic listening

Quadraspire Q4 Evo Wood Series The semi-open design provides aThe Quadraspire Q4 Evo is a modular hi fi rack system engineered to reduce resonance and lower the noise floor of any audio system built from solid bamboo ply shelves with solid (not tubular) aluminum columns and feet, designed without parallel lines, and configurable to any shelf height from 100mm to 326mm. Every shelf holds up to 80kg. Design Philosophy What you place your equipment on affects how it sounds. The Q4 Evo addresses this through three