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Cayin RU9 Vacuum Tube Portable DAC and Amp
✅ In stock
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 20, 2026 11:16 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0.55/28
Recent Value
0.68/22
Market Standing
6.36/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
MusicTeck
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Tri-Mode Sound Customization – Choose from Classic, Modern, or Solid-State modes to fine-tune your listening experience—from 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.
⚙️ Specifications
Cayin
CAYIN
RU9
RU9
0.37 Kilograms
DAC Amplifier
See Top 100 in Industrial & Scientific
B0FHBMFJV6
Manufacturer
Cayin
Brand
CAYIN
Mfr Part Number
RU9
Model Number
RU9
Item Weight
0.37 kg
Built-In Media
DAC Amplifier
Best Sellers Rank
See Top 100 in Industrial & Scientific