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Gladen has introduced the new Beta series, which offers traditional materials, a neutral and natural sound, high sensitivity and easy installation. In the article we present its main advantages and the available models.

Gladen is gradually revealing its new products for the coming years and after the Zeta, Sigma and Gamma series now also introduces the more affordable Beta series. In the German manufacturer's lineup it fills the space between the ending M-Line series and the popular RS series, while the technically more advanced Gamma aims even higher. Beta thus represents a more affordable entry into Gladen's quality car audio and primarily focuses on traditional materials, a natural sound presentation and high efficiency. Let's introduce its main characteristics, available models and also the differences compared to the higher Gamma series.

Beta and its position in Gladen's portfolio

Gladen almost simultaneously introduced two new speaker series – Gamma and Beta. Although their prices may at first glance seem fairly close, each occupies a different position in the brand's offering. The technically more advanced Gamma series is the direct successor to the very popular RS series and significantly extends its sonic capabilities. The new Beta, on the other hand, is positioned a bit lower and fills the gap between the ending entry-level M-Line series and Gladen's higher models. This is where the brand has long had a fairly significant presence. By far the best-selling M-Line series represented an accessible entry into Gladen's offering, while the RS already belonged among more advanced speakers intended even for demanding installations. Beta creates a new intermediate step between them for customers who want significantly better sound than basic models but do not need the newest technologies, higher power and the technically more precise character of the Gamma series. With this move Gladen clarifies its entire portfolio and offers customers finer gradation between the individual series. Beta therefore does not take the role of the direct RS successor, but expands the range with a separate category that was previously missing between the basic and higher models.

And which products are we talking about? 

Beta currently includes only four models. Component and coaxial speakers with diameters of 165 and 130 mm are available, i.e. in the most sought-after sizes for common in-car installations. Whether Gladen will expand the offering in the future with other sizes remains to be seen. 

• Gladen Beta 165.2 - component speakers, Ø 165 / 25 mm, 65 W RMS, 3 Ω, 93.5 dB.
• Gladen Beta 130.2 - component speakers, Ø 130 / 25 mm, 45 W RMS, 3 Ω, 94.8 dB.
• Gladen Beta 165-X - coaxial speakers, Ø 165 / 20 mm, 60 W RMS, 3 Ω, 94 dB.
• Gladen Beta 130-X - coaxial speakers, Ø 130 / 20 mm, 40 W RMS, 3 Ω, 90.8 dB.

What to expect from the sound? 

The Beta series represents a kind of gateway into the world of quality car audio from the German brand Gladen. It was designed to offer a very good balance between sound quality, efficiency, purchase price and ease of installation in modern cars. The basis of all models is a balanced tuning aimed at natural music reproduction, which is also reflected in the materials used, primarily paper and silk. The speakers offer clean and well-defined midrange, delicate highs and a solid, controlled bass foundation. Their sonic character is neither overly flashy nor aggressive, which keeps them pleasant even for long listening sessions and makes them work across a wide range of musical genres.

An important feature of the Beta series is also high efficiency. The speakers were designed to perform very well when connected directly to factory or common aftermarket head units, while also being able to take advantage of higher power from an external amplifier. The numbers speak for themselves. The Beta 165.2 component set offers sensitivity above 93 dB and a 3 Ω impedance. Such values are usually paid for by a higher resonant frequency of the midbass and the associated weaker reproduction of the lowest frequencies. However, Gladen's engineers managed to achieve a resonant frequency of 71 Hz, which is a very good result given the high sensitivity. The Beta speakers are therefore suitable both for a simple replacement of the original factory sound system and for more elaborate installations with an external amplifier, without unnecessary compromises in sound quality.

Below you will find more details about the materials used, which have a direct impact on the resulting sound and the overall concept of the Beta series.

Traditional paper midbass cone

The midbass drivers of the Gladen Beta use a classic paper cone. Although paper can seem ordinary compared to modern composite materials, it remains one of the most respected materials in the speaker field. It offers low weight, very good internal damping and, above all, a natural rendering of mid frequencies without unwanted coloration. The paper cone significantly contributes to the characteristic presentation of the Beta series. Vocals and musical instruments sound natural and intelligible, while lower frequencies remain tight and well controlled. The design is complemented by a durable Nomex spider that ensures long-term mechanical stability, and a 25 mm KSV voice coil capable of maintaining consistent parameters even under higher loads. A soft dust cap helps preserve a smooth and natural character of midrange reproduction.

Silk dome tweeter

Both the component systems and the coaxial Beta speakers are equipped with a silk dome tweeter. It offers detailed, delicate and refined high-frequency reproduction and at the same time a pleasantly warm sound character that does not tire even at higher volume or during longer listening. The tweeter uses its own plastic housing with an acoustically optimized rear chamber. This helps better control the diaphragm movement, smooth the frequency response and facilitate a seamless transition to the midbass driver. The result is an open soundstage, good instrument localization and a natural spatial presentation of the music. Another important element of the series is the fact that Gladen has kept the same design philosophy for the tweeter in both component and coaxial models. The difference is mainly in the dome size, which is 25 mm in component systems and 20 mm in coaxial models. Thanks to this, the individual speakers across the series retain a similar sonic character.

Thoughtful frequency crossover

The component systems also include an external frequency crossover with a 12 dB per octave filter slope and a crossover frequency of 3.5 kHz. Its setting ensures a smooth transition between the midbass and the tweeter without a noticeably audible gap between the bands. The crossover is also equipped with a two-stage tweeter level adjustment. The character of the high frequencies can thus be adapted to the specific speaker placement in the vehicle, the acoustic conditions of the interior and the listener's personal preferences.

Focus on easy installation

When developing the new Beta series, Gladen also considered the specific requirements of modern cars and adapted the entire design for easy integration into factory positions. The power, impedance and high sensitivity of the speakers are tuned so that they perform very well even with weaker factory head units, while also offering sufficient potential when connected to an external amplifier. Another big advantage is the compact dimensions of the individual components. The crossover units can, thanks to their small bodies, be easily placed practically anywhere in the car interior. The midbass drivers have a reasonable installation depth and therefore should not cause complications even in space-limited doors. Particular attention is deserved by the very compact tweeter, which despite keeping a 25 mm silk dome will fit into most original positions. The component system package also includes housings for surface and flush tweeter mounting as well as mounting adapters intended for hard-to-reach places. The Beta series is thus prepared not only from a sound perspective but also for quick, clean and technically undemanding installation into a wide range of modern cars.

In conclusion: who is the Beta series for?

Gladen Beta represents an ideal choice for customers who want to step up from basic speakers. It offers a natural and balanced sound, high efficiency and a design maximally adapted for easy installation in modern cars. Because of this, it is suitable both for a simple upgrade of the factory sound system and for higher-quality installations with an external amplifier. In Gladen's portfolio Beta thus fills an important space between basic models and higher series. For demanding listeners who require more modern technologies, higher power, more accurate reproduction and a wider choice of models, the higher Gamma series remains the recommendation. Beta, on the other hand, bets on accessibility, versatility and a proven sonic approach, which allows it to appeal to a very wide group of customers.

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Plug & play speakers are a trend today. Quick swap, no modifications, minimal work – a solution that makes perfect sense at first glance. But this very simplicity hides a fundamental question: is it all just a compromise posing as an ideal upgrade? If we look closer, we find that behind the convenient installation there is usually something that isn’t talked about much. And that something has a decisive impact on the resulting sound.


Typical plug and play speakers – integrated mounting pads and the same fittings and connectors as the factory speakers ensure convenient installation.

What exactly are plug & play speakers?

Plug & play speakers are designed specifically for a particular car model. They are not universal speakers, but a solution that matches the original fitting both mechanically and connector-wise. They have a specific basket shape, integrated mounting points and connectors compatible with the factory wiring. They often also respect the constraints of the given space, such as mounting depth or atypical fittings that commonly appear in modern cars.

The main goal is therefore to simplify installation as much as possible. The original speaker is simply removed from the car and replaced with the new one without any modifications. There is no need for adapters, soldering, or mechanical adjustments to the door or dashboard. Everything is designed so that the new speaker fits exactly into the original place and works with the factory wiring.

Thanks to that, this is a solution that even a complete beginner can handle. The swap is quick, clean and practically risk-free. Typically we are talking about tens of minutes of work instead of the hours that more complex installations can take.

And that is their biggest advantage.

So where is the catch?

Developing plug & play speakers is significantly more demanding than developing classic universal speakers. The manufacturer must design a specific basket, fittings, connectors and often adjust dimensions for a particular car. All of this is done for a relatively narrow group of vehicles, so the costs are not spread across large production series. These costs inevitably reflect in the final product price. And because the market price level is fixed, savings are made elsewhere – typically on materials and the speaker’s construction itself. In other words, part of the budget is not spent on sound but on the fact that the speaker fits exactly.

The result is that, in the same price category, plug & play speakers are in most cases sonically inferior to classic universal models. With universal models the manufacturer can invest the maximum into the driver itself – better materials, a stronger motor, more sophisticated crossovers. And that shows in the final performance.

A typical example of a plug & play solution are the speakers in the first picture – Focal IS VW 165 intended for Volkswagen vehicles, which offer everything you need for a quick and trouble-free installation. A mounting pad is integrated into the midbass, the speaker has the same shape and fittings as the factory one and the same applies to the tweeter. The tweeter is also equipped with adhesive tape for easy mounting. The package also includes connector adapters for the factory wiring.

When we look more closely at these speakers, their limits start to appear. There is only a plastic midbass basket, a tweeter with a rather aggressive aluminum dome, or very simple frequency crossovers integrated directly on the cable. A look at the technical parameters also reveals a resonant frequency exceeding 77 Hz, which is relatively high for a midbass and indicates a limited potential in the lower frequencies. All of these are solutions subordinated primarily to easy installation and lower costs.

This is not to say that these are bad speakers. Compared to the stock system they represent a significant improvement. However, for a price approaching 5,000 CZK you can get incomparably higher-quality universal speakers. And that difference is simply audible in the final sound.

The catch is therefore not that plug & play solutions are bad. The catch is that for the same price, in the vast majority of cases, there is better sound.

Classic speakers have standard dimensions and no specific accessories. Common mounting pads and mounting hardware are used for installation.

So who are plug & play speakers sensible for?

Plug & play speakers are an ideal product for users who want to improve their car audio themselves. If you don’t want to deal with technical details, have no installation experience, or simply want a quick and clean solution, it is a very practical choice. The swap is intuitive, without risk of damaging the car, and the result is usually noticeably better than the factory sound. Often significantly so.

The problem arises when this solution becomes the standard even where it shouldn’t. If a workshop that presents itself as an audio specialist uses only plug & play speakers, it is not a sign of advancement but of simplifying the work. The installation is quick, no modifications are required, no soldering, no wiring work. In other words – minimum time, minimum effort.

However, a professional’s job should not be to look for the easiest path. A professional’s job should be to find the best possible solution for the specific car and the specific customer.

And that in most cases means taking the more complicated route – using higher-quality universal speakers, designing proper mounts, modifying the installation and spending time on details that have a real impact on the final sound. Because that is where the fundamental difference between merely improving the original system and creating a truly high-quality audio system lies.

Specific situation: BMW, Mercedes and others

There are, however, vehicles where plug & play speakers are not just a matter of convenience but practically the only sensible solution. Typically this is the premium segment like BMW or Mercedes, where the speakers are very specifically constructed – they have atypical dimensions, non-standard fittings, minimal mounting depth or are part of more complex assemblies, such as subwoofers under the seats.

In such cases, using classic universal speakers is significantly more complicated. It requires making adapters, modifying mounts, or a complete reworking of the installation. Yes, that is an option – but it is more time-consuming and costly and does not always make sense.

That is why a quality plug & play system finds its justification here not only for DIY swaps but also from the perspective of professional installation. Fortunately, there are manufacturers who can offer top quality even in a plug and play design without any compromises. A typical example is Morel, whose plug & play systems are derived from their classic model ranges and are practically identical in sound. In such a case it is no longer a “cheap and simple solution” but a full-fledged upgrade with a corresponding price tag. Besides that, there are more affordable options from brands like Audison, Ground Zero, Gladen and many others that target lower price levels but still represent a substantial step up from the factory sound.

Advanced plug and play speakers by Morel for BMW vehicles with adapted shape and fittings. And typically the top-tier sound of this manufacturer.

So are plug & play speakers worth it?

Yes – but only when you know exactly why you are choosing them.

If you are looking for easy installation, don’t want to deal with technical details and your goal is a quick improvement over the factory sound, plug & play makes sense. The benefit compared to the factory setup is often significant and the installation comfort is unrivaled.

At the moment when sound quality is the priority, you need to look at the choice differently. In most cases, classic universal speakers offer better materials, construction and ultimately sound for the same price. Only at the cost of a more complicated installation. 

So plug & play is certainly not a bad solution. But it is a solution that puts simplicity first.

If sound is your priority, our installation workshop is available – we won’t shy away from any solution and always look for the path to the best possible result.

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