



W4 ACG Mirror Copper Edition — Key Features
- Chip-level ACG tuning — additional PIN pins and revised registers, purpose-built for ACG music (not just a firmware tweak)
- Dedicated "STL ACG" tuning mode — based on the acclaimed LP6 Platinum, deeply adapted to the revised chip
- Lowered voltage, raised current — optimized for driving low-impedance, high-sensitivity IEMs with superior control
- Fixed Line Out voltage for EA4 — purpose-tuned for perfect voltage matching with the L&P EA4 amplifier
- Dual-mode flexibility — standalone operation for easy-to-drive IEMs; pair with EA4 for hard-to-drive IEMs and full-size headphones
- Mirror copper chassis — L&P's first application of mirror copper on a dongle, precision-polished for stunning visual depth
- Titanium nitride (TiN) plating — significantly improved hardness and scratch resistance for everyday durability
- Included 1:1 custom leather case — Italian waxed vegetable-tanned leather (same material as P6PRO Ti99/10th cases), 8-layer construction, N52 magnetic closure
- Limited edition — 499 units worldwide
- Price: $599