dCS

• Negatively reviewed for scummy behavior by suing a reviewer who posted a negative review.
• UK-based company known for high-end audio systems.
• Criticized for resorting to legal action rather than improving products.
• Viewed as part of the audiophile industry selling high-priced equipment.
• Use of high-priced FPGA's and resistance ladders in products criticized.

Apple DAC

• Apple using innovative techniques like "Alternating Fill Order" in their DACs.
• Some Redditors vouch for Apple DACs like the USB-C to mini jack DAC.
• Users express interest in Apple releasing a tabletop DAC/amp.
• Desire to have Apple devices support LDAC or AptX for audio quality.

Chord DACs

• Chord DACs like the Hugo noted for clear, precise sound.
• Preference for Chord DACs over other brands for specific tastes.
• Mention of Chord Hugo adding warmth and celestial quality to music.
• Recognition of Chord DACs being used in high-end setups.

Parallel DACs

• Discussion on building DIY DAC boards with parallel DAC chips.
• Parallel DACs like TDA1387 from AliExpress mentioned for good detail.
• Potential reduction in noise by using multiple DAC chips in parallel.
• Unicorn fairy dust reference to TDA1387 and its unique sound qualities.

Overall, while dCS faces criticism for its behavior, Apple and Chord DACs are praised for their quality audio output, and DIY projects with Parallel DACs are seen as innovative in noise reduction and adding unique character to sound.