The Grandioso C1X preamplifier in separate 2-chassis configuration is condensed into a single unit. Completely independent left and right mono-block configuration and state-of-the-art circuit technology. The flagship preamplifier of the "SOLO" series, the ultimate in uncompromising philosophy and craftsmanship.

• Full dual mono-block configuration in a one-piece chassis
• Thoroughly low noise by fully balanced configuration
• Ultra-fidelity attenuator system with 0.1dB/1,120 steps
• Discrete amplifier module "IDM-01
• Unique ESOTERIC-QVCS volume control system that eliminates audio signal routing
• ES-LINK Analog" proprietary current transmission system with 3 inputs and 2 outputs
• ESOTERIC-HCLD output buffer circuit with 2,000V/μs slew rate current transmission enhancement
• 2 XLR outputs and 2 ES-LINK Analog outputs enable construction of a multi-power amplifier system
• 5-transformer configuration with 4 high-capacity audio toroidal transformers and 1 EI transformer for control system
• Input switching circuit using FET elements eliminates coloration of sound quality by relays
• High-precision ball bearing control knobs for smooth feeling without any blurring.
• Input gain adjustment: ±18dB (0.1dB step), L/R balance adjustment: ±6dB (0.1dB step)
• AV-through function with selectable input terminals
• External control port RS-232C terminal
• Power ON/OFF control by trigger input and power control of power amplifier by trigger output
• Remote control with buttons on both sides to control ESOTERIC source devices (RC-1334)

Intricate and dynamic. Open up and depict all of the music.

The Grandioso S1 "X" Edition, a new reference in Class A stereo power amplifiers.

• Newly designed drive stage with 5-parallel push-pull drive by high-capacity bipolar transistors
• Class-A operation at 50W/8 ohms delivers a dense musical expression that combines precision and dynamism.
• ES-LINK Analog transmission that challenges the limits of fidelity between pre/power
• Excellent power linearity (50W/8Ω - 100W/4Ω) that produces overwhelming dynamics
• Large-capacity toroidal-core power transformer that is highly adaptable to dynamic current supply changes
• Three-transformer configuration with independent power transformers for the front stage, drive stage, and control system
• High-capacity Grandioso custom block capacitors (10,000μF x 6/ch) for each channel
• Pure copper busbars, ultra-thick wiring, and shortest pattern connections significantly reduce internal impedance.
• Balanced audio connections for each circuit block to ensure low noise.
• High quality sound parts such as FET switch for input switching and discrete amplifier module IDM-01 are used.
• Two modes, BTL drive and bi-amp drive, are available for further system upgrades by combining two units.
• Newly designed Class-A construction with an enlarged chassis the size of M1X
• Chassis design optimizes internal vibration control by thoroughly pursuing a balance between rigidity and flexibility.
• Dual honeycomb grills and semi-floating top panel for heat exhaust efficiency and a sense of sound emission
• Specially constructed pinpoint isolation feet to reduce mechanical stress
• Special wave-shaped heat sink to reduce peak resonance
• Power ON/OFF control is possible via trigger input

The K-05, the core model of the "K Series," the lineup of ESOTERIC's renowned K-01 and K-03 Super Audio CD players, is now available in an XD Edition equipped with the VRDS-ATLAS and Master Sound Discrete DAC. The newly developed "Master Sound Discrete Clock" with built-in player is mounted.

• Newly developed "VRDS-ATLAS (ATLAS 05)" transport mechanism
• Master Sound Discrete DAC with 64-bit/512Fs ΔΣ modulator
• Newly developed Master Sound Discrete Clock with built-in player
• 10MHz clock sync function with external master clock generator
• Unique ES-LINK Analog outputs with current transmission for full musical expression
• ESOTERIC-HCLD, a current transmission-enhanced output buffer circuit boasting a slew rate of 2,000 V/µs
• Three transformer configuration with two independent large-capacity toroidal transformers for analog and digital systems and one EI transformer for control system
• Power supply with low-feedback discrete DC regulator
• MQA full decoding circuit for MQA-CD playback
• USB DAC function supporting DSD 22.5MHz and asynchronous transmission
• Coaxial and optical digital inputs supporting DoP at 192kHz
• XLR and coaxial digital outputs
• Digital filter selection for PCM playback, analog FIR filter selection for DSD playback
• External control port RS-232C terminal
• Power ON/OFF control via trigger input
• Remote control with buttons on both sides to operate ESOTERIC amplifier devices (RC-1333)