The Roksan Caspian 4G Streaming Amplifier marks a bold step forward in the realm of high-fidelity audio, blending cutting-edge streaming functionality with the well-established sonic excellence of the Caspian series. This review explores its design, specifications, connectivity, performance, and overall value to provide an insightful analysis for audio enthusiasts.
Design and Build Quality
The Caspian 4G Streaming Amplifier embodies Roksan’s signature commitment to premium craftsmanship. Its sleek, minimalist design is available in both silver and black finishes, exuding sophistication and modern appeal. A centrally positioned multi-function control dial on the front panel offers seamless navigation, while the inclusion of backlit OLED icons enhances usability and aesthetics. The chassis features well-placed cooling vents that contribute to thermal efficiency without compromising on design integrity. Overall, its robust construction ensures longevity while maintaining a refined and elegant profile.
Technical Specifications
Under the hood, the Caspian 4G employs Roksan’s proprietary ‘Euphoria’ intelligent Class AB amplifier technology. This innovative architecture features separate power supplies for voltage and current, allowing it to deliver a potent 105 watts per channel at 8 ohms and 200 watts per channel at 4 ohms. A hefty 600VA toroidal transformer and 36,400µF of smoothing capacitance per rail provide unwavering stability and sufficient headroom, even during complex musical passages. Additionally, the dual-mono power amplifier configuration, powered by high-quality Toshiba output devices, ensures optimal performance across a diverse range of speakers.
Connectivity and Features
Designed to be the centerpiece of a modern hi-fi system, the Caspian 4G offers an extensive suite of connectivity options. Analog enthusiasts will appreciate both balanced (XLR) and unbalanced (RCA) inputs, catering to a variety of source components. Digital inputs, including optical and coaxial connections, allow seamless integration with external devices. Furthermore, vinyl lovers are not left behind, as the built-in moving-magnet (MM) phono stage supports turntable setups with remarkable clarity.
On the streaming front, the amplifier incorporates BluOS multi-room high-resolution audio streaming, granting users access to a wide array of online music services and networked audio sources. The MaestroUnite app enhances the user experience, offering firmware updates, subwoofer output configuration, input customization, and advanced DSP-based room boundary adjustments.
Performance
Sonically, the Caspian 4G delivers an exceptional listening experience across various genres. Its ability to render acoustic instruments with precision and natural timbre makes it an excellent choice for jazz and classical music lovers. The amplifier’s adept handling of dynamic shifts contributes to a captivating and immersive auditory experience.
Bass reproduction is deep, controlled, and free of excessive resonance, ensuring a clean and impactful low-end presence. The midrange remains lush and articulate, while the high frequencies offer exceptional clarity without sounding harsh. The amplifier’s power reserves enable it to drive demanding speakers effortlessly, maintaining composure even at high volume levels.
Comparison with Previous Models
Compared to its predecessors, the Caspian 4G introduces substantial refinements in both functionality and design. While preserving the signature Roksan sound profile, this iteration enhances usability through integrated streaming and expanded connectivity. The build quality has also seen noticeable improvements, with a more refined chassis and superior component selection, ensuring reliability and enhanced sonic performance.
Value Proposition
With a retail price of approximately £4000, the Caspian 4G sits in the high-end segment of the market. However, its robust construction, exceptional audio fidelity, and extensive feature set make it a worthwhile investment. When compared to similarly priced competitors, the amplifier stands out due to its seamless streaming integration, substantial power output, and high-quality DAC implementation. Its ability to deliver a performance that rivals more expensive multi-component setups further solidifies its value.
The Roksan Caspian 4G Streaming Amplifier is a remarkable blend of traditional high-fidelity amplification and modern streaming convenience. Its elegant design, powerful performance, and feature-rich architecture make it an outstanding choice for serious music lovers. Whether you prioritize analog playback or high-resolution digital streaming, the Caspian 4G delivers a compelling and engaging listening experience that is sure to impress.
Are there alternative streaming amplifiers I should consider?
If you’re considering alternatives to the Roksan Caspian 4G Streaming Amplifier, here are a few high-quality options that might suit your needs:
1. Naim Uniti Atom
- Power Output: 40W per channel into 8Ω
- Features: Integrated streaming with Chromecast, AirPlay 2, Spotify Connect, TIDAL, and Roon Ready
- Strengths: Exceptional build quality, sleek design, and dynamic sound signature
- Best For: Those looking for a compact yet high-performance all-in-one solution
2. Cambridge Audio Evo 150
- Power Output: 150W per channel into 8Ω
- Features: Class-D amplifier, ESS Sabre DAC, Roon Ready, aptX HD Bluetooth, HDMI ARC
- Strengths: Rich connectivity options, strong power output, and modern design
- Best For: Users wanting a feature-packed, high-power amplifier with HDMI support
3. Marantz Model 40n
- Power Output: 70W per channel into 8Ω
- Features: HEOS streaming platform, phono input, high-quality DAC, AirPlay 2, Spotify Connect
- Strengths: Warm, musical sound signature with premium build quality
- Best For: Those who love a warm, analog-like sound with streaming convenience
4. Hegel H120
- Power Output: 75W per channel into 8Ω
- Features: High-end DAC, AirPlay, Spotify Connect, DLNA, Roon Ready
- Strengths: Clean, neutral sound with excellent dynamics and detail
- Best For: Audiophiles looking for an ultra-transparent sound signature