SKU: 77732202495

HERTZ MILLE PRO MPBX 300 S2 SUB 12" SHALLOW SUBWOOFER ENCLOSURE 2 OHM 500W RMS

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Description

HERTZ MILLE PRO MPBX 300 S2 SUB 12" SHALLOW SUBWOOFER ENCLOSURE 2 OHM 500W RMSMPBX 300 S2 2 OHM SEALED ENCLOSURE MPBX 300 S2 ULTRA SHALLOW SEALED ENCLOSURE IS SPECIFICALLY OPTIMIZED TO DELIVER ALL THE MPS 300 S2 SUBWOOFER PERFORMANCES. 300 (12) MM (IN.) 1000 W 2 OHM The enclosure structure features incomparable robustness thanks to 15 mm (0. 59 in.) wood thickness. Internal sound absorbing material virtually increases the box's volume and reduces acoustic resonances. Panel to panel internal bracing with solid corners minimizes

MPBX 300 S2 2 OHM SEALED ENCLOSURE

MPBX 300 S2 ULTRA-SHALLOW SEALED ENCLOSURE IS SPECIFICALLY OPTIMIZED TO DELIVER ALL THE MPS 300 S2 SUBWOOFER PERFORMANCES.

300 (12) MM (IN.) | 1000 W | 2 OHM

The enclosure structure features incomparable robustness thanks to 15 mm (0.59 in.) wood thickness. Internal sound-absorbing material virtually increases the box's volume and reduces acoustic resonances. Panel-to-panel internal bracing with solid corners minimizes resonances and round corners ease the placement.  2S² (2 Sides/2 Sounds) design provides the ability to choose between Down-Firing mounting, through supplied feet with Hook-and-loop inserts, to increase the low-frequency extension, and Up-Firing installation to obtain more punch and definition. SSP (Sub Smart Plug) features both Plug-&-Play terminal block and traditional push terminals providing bulletproof connection and quick release.

  • Ultra-shallow sealed enclosure specifically optimized to deliver all the MPS 300 S2 subwoofer performance.
  • 15 mm (0.59 in.) wood thickness for incomparable robustness.
  • Panel-to-panel internal bracing with solid corners to minimize resonances
  • Round corners to ease the placement
  • Internal sound-absorbing material virtually increases the box’s volume and reduces acoustic resonances.
  •  2S² (2 Sides/2 Sounds) design provides the ability to choose between Down-Firing mounting, through supplied feet with Hook-and-loop inserts, to increase the low-frequency extension, and Up-Firing install to obtain more punch and definition.
  • SSP (Sub Smart Plug) features both Plug-&-Play terminal block and traditional push terminals providing bulletproof connection and quick release.
  • Robust screw-less mesh grille included featuring adjustable logo position suitable for reverse install.
  • EID: Scan, Discover, Identify.
  • Driver MPS 300 S2
  • Ultra-shallow structure compatible with minimum-depth enclosures.
  • 500W continuous power handling, 2Ω impedance.
  • Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations.
  • Die-cast aluminum frame­.
  • Unrivaled mechanical excursion, +20% over traditional designs.
  • Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity.

MESH GRILLE

Robust screw-less mesh grille included featuring adjustable logo position suitable for reverse install.

LEVELING FEET

Leveling feet with velcro inserts included for a secure grip with the carpet while maintaining easy removal. 

TERMINAL BLOCK

Plug-&-Play terminal block for SSP (Sub Smart Plug) providing bulletproof connection and quick release.

AIR 

500 W continuous power handling is an incredible result for such a compact subwoofer. To accomplish this ambitious goal, the Hertz R&D has developed the proprietary AIR (Air Intercooling Revolution) technology, optimizing the fluid dynamics of the inner acoustic structure and the magnetic group to minimize the internal compression of air and maximize cooling capacity. The 6 layers, 1.5 in. (38 mm) voice-coil with cooling openings on the former contributes to the thermal stability of the subwoofer, making MPS subs ready to face to most demanding high-spl listening session.

 

  • Size mm (in.)    300 (12)
  • Power Handling - Continuous W    500
  • Power Handling - Peak W    1000
  • Impedance Ohm    2
  • Voice Coil Ø    38 (1.5)
  • Frequency Response Hz    25 - 400
  • Magnet size D x d x h mm (in.)    134 x 55 x 36 (6.28 x 2.17 x 1.42)
  • Weight of one component kg (lb.)    10,8 (23.8)
  • Magnet    High density flux ferrite
  • Cone    Polypropylene
  • Xmech mm (in.)    20
  • Depth mm (in.)    118 (4.65)
  • Voice Coil Type    Single
  • EISA Award Best Product 2022 - 2023

 

PARTS INCLUDED

  • Hertz MPBX 300 S2
  • Mesh Grille
  • Leveling feet
  • Terminal block

 

https://youtu.be/If8L7yf-9ac

 

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SKU: 77732202495

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Daniel Rosehill
Chelsea, US
★★★★★ 5
A wonderful primer for those discovering the amazing world of generative AI
Format: Paperback, Format: Paperback
Somewhere in the past year, ChatGPT has gone from "cool, interesting, amusing" to a massively valuable work assistant capable of writing Python scripts, analysing data, and doing lots, lots, more. The key to this? The rapid evolution of OpenAI's GPT models and making my first forays into prompt engineering. If I thought I was getting good, though, this book took me reminded me that I'm just scratching the surface. Halfway through the first chapter I was already furiously scribbling notes in the margins for what I could do better with my prompt writing and by the end of the text I felt like I had gotten a very good grounding - not just in GPTs specifically but in the bigger picture of how these hugely powerful tools were trained and came to maturity. I imagine that few will argue with my assertion that there is lots of hyperbole and "noise" in the AI space right now which, as ever, makes it hard to pick out the signal from the noise. Which is precisely why I sought out an O'Reilly title and I'm very glad that I did. Thorough, excellent, and I hope that this edition will be the first of many. As this rapidly maturing field scales and matures I think that prompt engineering will be an essential discipline to master. Pick up this text to get a good foothold on things.
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Reviewed in the United States on August 3, 2024
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Scott J. Pearson
Omaha, US
★★★★★ 4
Understanding AI prompts as a science
Format: Audiobook
Prompt engineering is the art and science of finding the right words to generate the right responses from artificial intelligence (AI). It's becoming a skill in-demand in today's workplaces. It's also becoming an essential skill for life. To understand prompt engineering, you must understand how AI tools understand their inputs. This book explains that to you in many forms. It covers prompting as it intersects all the major AI disciplines, like general prompts (as in a ChatBot), fine-tuning, and retrieval-augmented generation (RAG). It also introduces how prompting intersects a couple of image-generation tools. As a scientist, I appreciate the theoretical approach to these practical matters. Too many people are hacks at AI these days, and any technical understanding can rapidly advance an individual's effectiveness. Prompt engineering is often made fun of as a "soft" topic, but as this book demonstrates, it intersects all the major AI areas. Presumably less garbage in means less garbage out. This book shows how you can make that take place. As typical for O'Reilly materials, this book appeals to people who desire an intermediate-to-advanced understanding of how AI works. It's not for the casual user. Anyone technical involved in professional knowledge generation using AI can benefit from understanding the dynamics "under the hood." It's a good, though perhaps not ground-breaking, textbook for those of us unable to take a class in the subject. Prompt engineering may be a soft topic to many, but books like this ground the field in the science that can make or break a digital or software product.
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Reviewed in the United States on December 13, 2025
J
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Jason Bolton
Alexandria, US
★★★★★ 5
Great book
Format: Paperback
Great book! It is helpful as I work towards my Masters of Science in Applied Artificial Intelligence
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Reviewed in the United States on December 20, 2025
J
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James Gianoglio
Los Angeles, US
★★★★★ 5
Comprehensive Guide with Practical Insights
Format: Paperback
This is a solid book for understanding the art and science of working with LLMs and other generative AI models. I always struggled with getting the output I was looking for, and wasn't sure how best to "ask" the models for what I wanted. This book did a great job of laying out the strategies and practical guidance to craft the prompts. There were a lot of tips and tricks, but the overall understanding and framework around prompt engineering has been super useful.
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Reviewed in the United States on June 25, 2024
M
Verified Purchase
Matt B
Grantham, US
★★★★★ 5
A must read!
Format: Paperback
Hands down, the best book on prompt engineering and implementing LLMs. Really enjoyed Michael and James deep dive. Whether you're technical or not, this book is foundational to a deeper understanding in how to properly explore and implement LLMs.
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Reviewed in the United States on June 25, 2024

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