ESOTERIC's two best-selling models have evolved into the "XE" series: the N-05XE network DAC preamplifier and the S-05XE Class A stereo power amplifier. Esoteric, February 26, 2026

ESOTERIC is releasing the N-05XE network DAC preamplifier, which condenses the essence of ESOTERIC into a single unit, and the S-05XE, a new benchmark for Class A stereo power amplifiers. Two of ESOTERIC's best-selling models have evolved into "XE" models with even richer musicality.

N-05XE Main Features

The N-05XE network DAC preamplifier has evolved to deliver even higher sound quality with its next-generation discrete DAC and network engine.

The N-05XE is a network DAC preamplifier designed to deliver the best sound quality with the smallest possible system configuration. It features a G4 network engine with optical network connectivity, a next-generation G2 discrete DAC, a dual-balanced preamplifier directly inherited from the Grandioso model, and a built-in headphone amplifier. The "XE" model retains the acclaimed functionality while featuring newly designed and refined circuit components. Enjoy the polished ESOTERIC signature sound to your heart's content.

N-05XE System Configuration

  • D/A converter (equipped with various digital inputs)
  • Network player (streaming/music file playback)
  • Dual Mono Dual Balanced Preamplifier
  • Dual Mono Parallel Single-Ended Headphone Amplifier
  • Thorough dual-mono construction (all analog circuits and power supplies are completely independent for L/R channels)

Master Sound Discrete DAC G2

  • The development results of the Grandioso N1 have been incorporated to create a new generation (G2) with even richer musicality.
  • Equipped with a 64-bit/512Fs compatible ΔΣ modulator, this is a cutting-edge multi-level ΔΣ D/A converter.
  • FPGA-based discrete circuit configuration that does not use general-purpose DAC ICs.
  • FPGA digital processing algorithms for optimal playback of DSD and PCM.
  • New low-noise register network
  • High conversion accuracy with high-precision MELF resistive elements
  • The analog circuitry, including the power supply, is configured as a dual-mono configuration with independent left and right channels.
  • The built-in clock is made discrete (Master Sound Discrete Clock for Digital Player) 

ESOTERIC Network Engine G4

  • Fourth-generation network engine equipped with SFP ports for optical network connectivity.
  • Equipped with a dedicated large linear power supply that delivers smooth sound like analog playback.
  • Supports native DSD 22.5MHz playback.
  • Music server (NAS) function (allows connection of two large-capacity USB storage devices)
  • Supports various file formats (DSF, DSDIFF, FLAC, ALAC, WAV, AIFF, MQA, MP3, AAC)
  • High-level operability with ESOTERIC Sound Stream (smartphone/tablet app)
  • Compliant with the highly versatile OpenHome standard.
  • Supports various music streaming services (Tidal Connect, Qobuz Connect, Roon, Spotify Connect, QQ Music)

Dual Mono Dual Balanced Preamplifier

  • High-quality dual-mono/dual-balanced configuration with a total of 8 circuits (positive and negative for L/R).
  • A dedicated power supply circuit has been added for the attenuator circuit, achieving pure volume control.
  • The HCLD high-current buffer amplifier powerfully drives subsequent equipment without any difference in sound quality, whether using the pre-out, line-out, or headphone-out.
  • ES-LINK Analog output, a unique current transmission technology that transmits the energy of music without any loss.
  • A new ES-LINK Analog input has been added.

Dual Mono Parallel Single-Ended Headphone Amplifier

  • The headphone amplifier circuit has been further refined for even higher sound quality.
  • A powerful dual-mono parallel single-ended amplification system with excellent drive capability.
  • Maximum output 1,200mW + 1,200mW (32Ω load)
  • Two headphone outputs: 4-pin XLR and 6.3mm stereo standard.

Other features and functions

  • The front panel is equipped with a USB Type-C terminal that can be used for DAC input.
  • SACD transport can be connected via "ES-LINK (XLRx1) ".
  • 10MHz clock sync function (allows for sound quality upgrade by connecting the G-05)
  • Bluetooth® receiver supporting high-quality audio codecs such as LDAC, LHDC, Qualcomm® aptX™ HD audio, Qualcomm® aptX™ audio, AAC, and SBC.
  • Line output fixed mode, signal pass-through function
  • High-rigidity chassis construction that optimally controls all vibrations.
  • Semi-floating top panel
  • Unique high-quality pinpoint isolation foot
  • Proudly Made in Tokyo

Main specifications

  • Network section: ETHERNET × 1, SFP × 1, USB drive ports × 2 (TYPE-A, TYPE-C)
  • Bluetooth codecs supported: LDAC, LHDC, Qualcomm® aptX™ HD audio, Qualcomm® aptX™ audio, AAC, SBC
  • Digital audio inputs: XLR x 1, RCA x 2, Optical digital x 2, USB x 2 (Type-B, Type-C)
  • Analog audio inputs: XLR/ES-LINK Analog x 1, RCA x 1
  • Analog audio output: XLR/ES-LINK Analog x 1 system, ES-LINK Analog Pre-Out x 1 system, RCA x 1 system
  • Headphone audio output: 6.3mm stereo standard x 1, 4-pin XLR x 1
  • Headphones' maximum practical output: 1,200mW + 1,200mW / 32Ω
  • Headphone suitable load impedance: 16Ω to 600Ω
  • Clock input: BNC × 1
  • Frequency response: 5Hz to 30kHz (-3dB)
  • S/N ratio: 109dB (A-weighted)
  • Total harmonic distortion: 0.001% (1kHz)
  • Power supply: 100V AC 50/60Hz
  • Power consumption: 30W (Standby: 0.3W)
  • Maximum external dimensions (W×H×D) : 445 × 131 × 377 mm (including protrusions)
  • Mass: 13.6kg


N-05XE (Silver)


 

N-05XE B (Black)


Back side


surface

S-05XE Main Features

Advanced Pure Class A Stereo Amplifier

Experience the transparency unique to Class A amplifiers and the rich, three-dimensional soundstage that is characteristic of ESOTERIC. The S-05XE, refined with cutting-edge new technologies such as a newly designed fully symmetrical balanced input buffer amplifier, a large-capacity 1,000VA toroidal core power transformer, and a unique dual-mono power supply smoothing circuit, sets a new benchmark for Class A stereo power amplifiers. Enjoy the polished and even more expansive ESOTERIC signature sound to your heart's content.

Main Features

  • A simple and straightforward circuit design philosophy that follows the amplifier design of the flagship Grandioso series.
  • In addition to the meticulous detail of Class A, ESOTERIC pursues a dynamic sound quality that is unique to them.
  • A high-capacity bipolar transistor 3-parallel push-pull configuration designed for instantaneous response.
  • 30W + 30W (8Ω, Class A operation) / 60W + 60W (4Ω) / 120W (BTL mode, 8Ω)
  • To ensure complete independence of the L/R channels, all stages, including the power supply smoothing circuit, are configured in a dual-mono configuration.
  • Minimizing negative feedback ( NFB ) and pursuing a dynamic sound quality.
  • Featuring a large-capacity 1,000VA toroidal core power transformer, it delivers a more dynamic sound quality.
  • The power supply smoothing circuit has been redesigned to enhance left/right channel independence and improve channel separation.
  • Channel-independent high-capacity Grandioso-grade custom block capacitors (10,000μF x 4/ch)
  • A newly designed "fully symmetrical balanced input buffer amplifier" prevents noise and produces precise reproduced sound.
  • ES-LINK Analog input, a unique current transmission system that transmits the energy of music without loss.
  • Three drive modes (stereo/BTL/bi-amp) . Two units can be combined to create a larger system.
  • Trigger connection allows for synchronized power on/off with the N-05XE.
  • Semi-floating top panel, patented pinpoint isolation feet.
  • A special wave-shaped heatsink that reduces peak resonance.
  • The top panel design is inspired by the dual honeycomb heat dissipation grille of the Grandioso series.

Main specifications

  • Rated output: 30W + 30W (8Ω, Class A operation), 60W + 60W (4Ω), 120W (BTL mode, 8Ω)
  • Frequency response: 5Hz to 100kHz (+0dB, -3dB, 8Ω)
  • S/N ratio: 104dB (IHF-A, XLR)
  • Total harmonic distortion: 0.007% (1kHz, 8Ω, 30W)
  • Suitable impedance: 4Ω to 16Ω, 8Ω to 16Ω (in BTL mode)
  • Gain: 28.5dB (BTL mode: 34.5dB)
  • Analog audio inputs: ES-LINK Analog x 1, RCA x 1, XLR x 1
  • Power supply: 100V AC 50/60Hz
  • Power consumption: 215W (195W when no signal)
  • Maximum external dimensions (W×H×D) : 445 × 191 × 443 mm (including protrusions)
  • Mass: 25.6kg

Press Release Documents

Website Address

https://www.esoteric.jp/
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