Esoteric
Grandioso M1X Monoblock Amplifier
Pairs well with
Grandioso M1X Monoblock Amplifier
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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Overview
Monoblock Amplifier
Grandioso M1X
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.
* Grandioso (music): Grand or noble.
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 |
| General | |
| 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 (W×H×D) | 491 × 221.5 × 536mm 19-⅜" × 8-¾" × 21-⅛" (including protrusions) |
| Weight | 62kg / 136-¾ lb |
| Included accessories | Power cord × 1 Felt pads × 4 Screws for power cord support bracket × 2 Owner's manual × 1 Warranty card × 1 |
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 |
FAQs
Please read our FAQs page to find out more.
Do you price match?
Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.
Do you offer free shipping?
Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.
Where is your showroom?
We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.
Can I buy online without visiting the showroom?
Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.
Do you offer financing?
Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.
Do you install systems as well as sell equipment?
Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.
Do you provide support after installation?
Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.