C9ii vs N7
The N7's weight is 0.38 kg (1 lbs) against the C9ii's 0.55 kg (1 lbs), its height 77.8 mm against 80 mm, and its depth 22.2 mm against 28 mm. Both share class (AB).
AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
Discover the Cayin C9ii: Your Ultimate Dual Nutube Portable Headphone Amplifier! This powerhouse of an amplifier redefines portable audio, delivering a fully balanced, fully discrete 4-channel design capable of an astounding 4,100mW (at 16Ω) or 2600mW (at 32Ω) per channel. With the C9, you have the freedom to choose between the warmth of vacuum tubes and the precision of solid-state timber on both balanced and single-end inputs. Crafted around a pair of KORG Nutube vacuum tubes, the C9 offers a rich and immersive audio experience. Switch between Pure Class A and Class AB amplification modes to fine-tune your sound, and enjoy dual input modes for added versatility. The Cayin C9 ensures seamless connectivity with support for 3.5mm SE and 4.4mm BAL inputs and outputs, intelligently optimizing between them. Its precision control is enhanced by a 4-channel ALPS potentiometer and stereo electronic volume. Plus, with a removable battery module and user-replaceable Sony 18650 rechargeable lithium batteries, you can enjoy uninterrupted listening sessions. Elevate your audio journey with the Cayin C9, where portable sound meets perfection. Experience the art of audio like never before – order your C9 today and embark on a sonic adventure that knows no bounds!
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the C9ii in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The N7's weight is 0.38 kg (1 lbs) against the C9ii's 0.55 kg (1 lbs), its height 77.8 mm against 80 mm, and its depth 22.2 mm against 28 mm. Both share class (AB).
The CS-55A's weight is 17 kg (37 lbs) against the C9ii's 0.55 kg (1 lbs), its height 180 mm against 80 mm, and its width 360 mm against 160 mm. Both share class (AB).
The MT-50 Plus's weight is 15.42 kg (34 lbs) against the C9ii's 0.55 kg (1 lbs), its height 165.1 mm against 80 mm, and its depth 165.1 mm against 28 mm. Both share class (AB).
The 7000A's power @ 4ω is 110W against the C9ii's 4.1kW, its weight 8.4 kg (19 lbs) against 0.55 kg (1 lbs), and its height 78 mm against 80 mm. Both share class (AB).
Marantz PM-14S1
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