Questyle SIGMA
Questyle SIGMA
$549.99
- Authorized Dealer · Tech Support · 30-Day Returns
Highlights
Why it stands out
Desktop-Class Performance
Enjoy high-end DAC and headphone amplifier performance in a compact portable form factor. Designed for audiophiles who want exceptional sound quality anywhere.
Questyle Current Mode Amplification™
Questyle's patented Current Mode Amplification technology delivers ultra-fast response, low distortion, and transparent sound reproduction.
High-Resolution Audio Playback
Supports high-resolution digital audio formats, allowing you to experience more detail, accurate imaging, and natural musical expression.
Balanced 4.4mm Output
The balanced headphone output provides improved power delivery and channel separation for demanding headphones and premium IEMs.
Premium Aluminum & Glass Design
A precision-machined aluminum chassis with transparent glass panels showcases the advanced engineering inside.
Desktop and Mobile Versatility
Use SIGMA with smartphones, laptops, and desktop systems for flexible high-quality listening wherever you are.
Best for
- Audiophiles who want portable high-end audio
- Owners of premium headphones and IEMs
- Desktop and travel listening setups
- Users seeking transparent, natural sound
Not ideal for
- Users wanting a wireless speaker system
- Beginners looking for simple plug-and-play audio
- Users needing built-in streaming functions
- Users who rely heavily on EQ effects
Shop with confidence
Why buy from EMiUZEK
We help you choose, connect and maintain your system—not just ship a box.
- Authentic products
- Compatibility guidance
- Fast tracked shipping
- Firmware and driver support
- Clear warranty process
- Responsive after-sales help
Shipping, warranty and returns
We provide secure worldwide shipping with tracking information whenever available.
All products are shipped with careful packaging to protect your HiFi equipment during transit. Delivery times, shipping costs, and any applicable import duties or taxes will be calculated during checkout.
As an authorized dealer, EMIUZEK provides official warranty support and expert assistance for all products purchased from our store.
If you need help with product compatibility, setup, or warranty questions, our audio specialists are always ready to assist.
Official product information provided by Questyle
The following product descriptions, specifications and images are provided by the manufacturer.
View full technical specifications
Core architecture
| DAC | yes |
|---|---|
| Headphone Amp | yes |
| Output Power | >1200mW @32ohms balanced |
| Digital Audio Outputs | USB-C |
| SNR/THD | THD+N: 0.0002% @300ohms SNR: 120dB |
| Digital Audio | InputsUSB-C Bluetooth |
| Supported Formats | USB Playback: PCM up to 768kHz/32bit, DSD Native: DSD64, DSD128, DSD256, DSD512, DSD Dop: DSD64, DSD128, DSD256UAC 2.0 supportedCompatible with WinXP/Vista/Win7/Win8/Win10/Win11/Linux/Android/HarmonyOS/macOS and iOSBluetooth Decoding: SBC / LE Audio / aptX / aptx HD/ LDAC |
| Other Information | Playback Battery Life Manufacturer's Spec: up to 12 hours Our Practical Testing: ~6 hours Max Charging Current: 2ACharging Time: ~3.5hrs |