18th Jul 2026, 06:33 PM
Cayin RU9 Vacuum Tube Portable DAC and Amp
Price may vary by location, shipping cost, and availability.
$479.00
Highest: $499.00
Average: $484.56
Lowest: $449.00
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Cayin RU9 Vacuum Tube Portable DAC and Amp here. This product's current Price in USA is $479.00. The average and highest prices are $484.56 and $499.00 respectively.
| Lowest Ever Price | $449.00 |
|---|---|
| 29th Nov 2025 | |
| Average Price | $484.56 |
| Based on 367 days price tracking | |
| Highest Price | $499.00 |
| 21st Jul 2025 | |
Current Price in USA
| Price | $479.00 |
|---|
Recent Price Drops on Cayin RU9 Vacuum Tube Portable DAC and Amp
Price Drop 28th Nov 2025
$499.00 → $449.00
10.02% drop
Product Information
Details
| Product Name | Cayin RU9 Vacuum Tube Portable DAC and Amp |
|---|---|
| Store Product Code | B0FHBMFJV6 |
| Store Name | amazon.com |
| Brand | CAYIN |
| Rating | 8.6 / 10 |
| Category | Audio |
| Product Manufacturer | Cayin |
| Model Number | RU9 |
Features
- Tri-Mode Sound Customization Choose from Classic, Modern, or Solid-State modes to fine-tune your listening experiencefrom tube warmth to analytical precision.
- Gen5 Nutube 6P1 Tube Integration Delivers authentic vacuum tube character with enhanced durability, clarity, and harmonic richness in a compact form.
- Dual DAC + Discrete Class A Amp Features an in-house R2R DAC and fully balanced 4-channel Class A amplification for powerful, natural, and clean output up to 730mW.
- High-Res Support & Versatile I/O Supports PCM 768kHz, DSD512, and DoP formats with 3.5mm SE and 4.4mm balanced outputs, plus the latest XMOS XU316 USB processor.
- Premium Build with Smart Features Compact CNC-machined aluminum chassis, OLED display, magnetic mount, and audiophile-grade components for form and function.
Images
× ![]()
Rating and Reviews
8.6 Based on 18 reviews
Cayin RU9 Vacuum Tube Portable DAC and has 8.6 rating out of 10. This average rating is consist of 18 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.