Aqua
Formula xHD
Introduced 2017$17,000 MSRP
Aqua's flagship R2R DAC with the Optologic discrete sign-magnitude ladder and full galvanic/optical isolation between digital and analog sections; the Rev.2 update added a redesigned output stage.
MSRP
$17,000
Used market · Excellent
$11,500est.
-32% vs MSRP
as of Aug 16, 2026MSRP to used market
From $17,000 at launch to $11,500 today (estimated).
Specifications
- Type
- R2R ladder DAC
- Inputs
- AQlink I2S, USB, AES/EBU, S/PDIF RCA and BNC
- Max DSD
- DSD128 (DoP)
- Max PCM
- 384kHz/24-bit
- Outputs
- XLR and RCA
- Chip or architecture
- Optologic discrete R2R sign-magnitude ladder, FPGA-based decoding
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