SI-300.2d vs Hegel H390
The H390's power @ 8ω is 250W against the SI-300.2d's 300W, its max sample rate 384 kHz against 768 kHz, and its bit depth 32-bit against 16-bit. Both share signal-to-noise (100 dB).
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AmplifiersIntegrated AmplifiersDACs
About the SI-300.2d
The Cary Audio SI-300.2d is a high-end integrated amplifier combining a Class A preamplifier, Class AB power amplification rated at 300 watts per channel into 8 ohms (450W into 4 ohms), and a high-performance DAC section. Designed to emulate the rich, warm tube sound signature of Cary Audio in a solid-state platform, it drives demanding loudspeakers with exceptional control, dynamics, and musicality. Features include TruBit upsampling up to 768kHz PCM and DSD256, XMOS USB asynchronous input, Bluetooth aptX, Ethernet/Wi-Fi control, analog inputs with home theater bypass, and striking aesthetics with Cary Blue VU meters and machined aluminum volume control. Reviews praise its expansive soundstage, midrange bloom, rhythmic drive, and stability with difficult loads.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 300W @ 8Ω
- Power @ 4Ω
- 450W @ 4Ω
- Amplifier Class
- AB
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 16-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD256
- DAC Chip
- AK4490EQ
Analog Output
Analog signal output specifications
- THD
- 0.500%
- SNR
- 100 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- aptX
- Wi-Fi
- Yes
- Ethernet
- Yes
- Digital Inputs
- AES/EBU, Coaxial, Toslink
- Analog Inputs
- Single-ended RCA, Balanced XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 438 × 152 × 457 mm (W × H × D)
- Weight
- 23.6 kg (52 lbs)
Key Specifications
Power: 300W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions