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Esoteric Grandioso M1X Monoblock Amplifier

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A new milestone in power amplifiers that brings together wisdom and technology.

Transforming the full range of music from dignified silence to surging passion, a new milestone in amplifiers brings together wisdom and technology. Esoteric’s Grandioso M1 “X” Edition.


Spec description

Speaker output:

Rated output power- 300W (8Ω)

600W (4Ω)

Analog audio inputs:

ESL-A- 1 (Monaural)

XLR- 1 (Monaural)

Input impedance- 100kΩ

RCA- 1 (Monaural)

Input Impedance- 10kΩ


Power supply

Model for Europe/Hong Kong- AC 230V, 50Hz

Model for US/Canada- AC 120V, 60Hz

Power consumption- 400W (55W when no signal)

External dimensions (WxHxD)- 491 x 221.5 x 536mm 

19 3/8" x 8 3/4" x 21 1/8" (including protrusions)

Weight- 62kg / 136 3/4 lb


Audio performance

Frequency response- 5Hz to 100kHz (+0dB, -3dB, 8Ω)

S/N ratio- 119dB (IHF-A, XLR)

Total harmonic distortion- 0.006% (1kHz, 8Ω, 300W)

Compatible Speaker Impedance- 4Ω to 16Ω

Gain- 28.5dB