• Cayin C9ii Class A Tube Solid - state Hybrid Portable Headphone Amplifier - The HiFi Cat
  • Cayin C9ii Class A Tube Solid - state Hybrid Portable Headphone Amplifier - The HiFi Cat
  • Cayin C9ii Class A Tube Solid - state Hybrid Portable Headphone Amplifier - The HiFi Cat
  • Cayin C9ii Class A Tube Solid - state Hybrid Portable Headphone Amplifier - The HiFi Cat
  • Cayin C9ii Class A Tube Solid - state Hybrid Portable Headphone Amplifier - The HiFi Cat
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Cayin

Cayin C9ii Class A Tube Solid-state Hybrid Portable Headphone Amplifier

Cayin C9ii Class A Tube Solid-state Hybrid Portable Headphone Amplifier

$2,239.20 USD
$2,239.20 USD $2,239.20 USD
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Canada, Mexico, Romania, United States: import duty of 10 USD

Cayin C9ii Class A Tube Solid-state Hybrid Portable Headphone Amplifier

Key Features:

  • Dual Tube + Solid-State Timbre: The C9ii combines Gen5 Nutube 6P1 vacuum tubes with solid-state technology for a rich, versatile sound experience with adjustable timbre modes.
  • Fully-Symmetric Architecture: A fully balanced circuit design ensures superior transparency, reduced noise, and stronger load-driving capability, resulting in a more immersive and precise listening experience.
  • High-Powered Battery Supply: Powered by four Samsung 35E 3400mAh batteries, offering a long-lasting and reliable power source for up to 17.5 hours in Class AB mode.
  • Adjustable Anode Voltage: Fine-tune the tube timbre with adjustable anode (plate) voltage to switch between two distinct sonic characters: Classic and Modern tube modes.
  • High-Performance Amplification: Equipped with Toshiba 2SK209JFETs, the C9ii provides powerful amplification and a wide frequency response for a broad range of headphones and IEMs.
  • Versatile Input and Output: Supports both 3.5mm and 4.4mm inputs and outputs, with dual input modes (Line-in and Pre-in) for compatibility with various audio sources.

Technology and Innovations:

The Cayin C9ii combines cutting-edge audio technology and engineering, featuring a dual tube and solid-state hybrid system with a focus on sonic excellence. The Gen5 Nutube 6P1 tubes provide the signature warmth of tube amplification, while the solid-state components deliver clarity and precision. The C9ii's fully symmetric architecture and adjustable timbre allow for customization of the sound signature, providing users with an immersive and personalized listening experience. The adjustable anode voltage feature fine-tunes the tube timbre to create two distinct sound profiles: Classic and Modern.

Technical Specifications:

Parameter Details
Timbre Circuit (Tube) KORG Nutube 6P1 ×2
Timbre Circuit (Solid-State) Toshiba 2SK209JFET ×4
Output 3.5mm TRS, 4.4mm TRRRS
Input 3.5mm TRS, 4.4mm TRRRS
Charging USB Type-C (QC3.0/PD2.0, 9V-2A)
Input Differential Amp. LSK489 ×4 + LSJ689 JFET ×4
Electronic Volume Control MUSES72320V ×2
Dimension 165 x 88.5 x 30 mm
Net Weight 650g
Battery Samsung INR18650-35E (3400mAh) ×4

Package Includes:

  • 1x Cayin C9ii Dual Nutube Portable Headphone Amplifier
  • 1x C9ii Battery Module (Mounted on the device)
  • 1x 3.5mm Single-ended Interconnect Cable
  • 1x 4.4mm Balanced Interconnect Cable
  • 4x Samsung INR18650-35E Batteries (3400mAh)
  • 1x Hi-Res Stickers
  • 1x Type-C Cable
  • 1x User Manual

Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.

Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.

Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

Tracking examples:

3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia

Track Your Order

Main tracking portal: https://t.17track.net/

Contact Us

📧 Email: support@thehificat.com
📞 Tel: +8619270016096

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