ESX Car Audio cheap buy: Premium sound for your vehicle
Those seeking first-class sound performance in the car audio sector will discover a highly interesting selection for almost every car model with ESX Car Audio. In the Masori car audio online shop, you will find suitable amplifiers, speakers, and subwoofers online, some of which are also designed as plug-and-play components. Thanks to modern technologies, various designs, and high performance data, impressive sound upgrades can also be realized in BMW, Audi, VW, Mercedes, SEAT, or Opel. Those who want individual tuning rely on advanced configurations with DSP amplifiers to achieve maximum sound development. With our installation service in Frankfurt Oder (learn more here) and the expert support via the Help Area as well as the AI chatbot for compatibility checking, you will surely start your sound project successfully.
Diverse components and their technical highlights
ESX Car Audio includes a large portfolio of car audio products that convince even the most demanding car audio enthusiasts. Even in compact vehicles, installation is easy thanks to suitable accessory packages. For every taste and vehicle category, ESX offers suitable series with different power levels:
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Amplifier: Often designed as Class-D amplifiers for high efficiency and low heat dissipation. Power ratings range, for example, from 2×150 W RMS up to 5×100 W RMS at 4 ohms.
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Speakers: Available in 2-way or 3-way configurations. Typical diameters: 10 cm, 13 cm, 16.5 cm. Power handling from 80 W RMS to 120 W RMS. Some models feature Kevlar or fiberglass cones for low-distortion playback.
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Subwoofer: Available from 8 inches to 15 inches. Sound pressure levels (SPL) up to 90 dB. Low-frequency response from approximately 25 Hz for powerful bass.
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DSP amplifier: Integrated 8-channel or 10-channel processors that enable complex filters and delay corrections. Configuration via USB and special software.
Especially for vehicles with start-stop function, ESX offers amplifiers that remain stable even during voltage drops. This way, your sound system in the Opel Corsa, Audi A4, or VW Golf 7 continues to play uninterrupted, even when the engine briefly shuts off.
Tabular overview of common ESX amplifiers
| Model |
Channels |
Power @ 4 Ohms (RMS) |
Bridgeable |
Special features |
| ESX Q-120.4 |
4 |
4×120 W RMS |
2-channel mode |
Class-D, integrated low/high pass filter |
| ESX DXP-8 |
8 |
8×80 W RMS |
4-channel mode |
DSP integrated, start-stop compatible |
| ESX SXE-150.2 |
2 |
2×150 W RMS |
1-channel mode |
Compact Class-D, heat sink for heat-intensive environments |
Why an Upgrade with ESX Car Audio is Worth It
In many production vehicles, OEM speakers and factory amplifiers are designed only for basic sound. With the various ESX components, on the other hand, you achieve detailed audio reproduction without the need for major vehicle modifications. The main advantages:
- Plug-and-play solutions for easy integration, even with less experience
- Higher output power for more dynamics and clean results
- Detailed frequency separation and filter options through integrated networks
- Suitable models for BMW, SEAT, VW, Audi, or Mercedes factory systems
- Simple expansion options for subwoofers or midrange speakers
Especially the DSP versions are suitable for ambitious fine-tuning. This allows reflections in the vehicle interior and time differences between the left and right channels to be corrected. The result: a focused stereo panorama.
Typical installation scenarios and recommended accessories
For the installation of ESX components in the car, more is usually needed than just the amplifier or the speakers. Various accessories improve the sound, secure the power supply, and simplify the installation:
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Cable kits with matching cross-sections (e.g. 10 mm² to 25 mm² for amplifiers with 300 W to 1000 W RMS)
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Vehicle-specific adapter rings for the precise installation behind door panels
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Soundproofing Material (Alubutyl mats) to reduce vibrations and improve sound
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Cinch connections with double shielding to prevent electromagnetic interference
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High-quality fuse holders (ANL or Mini-ANL fuse) for secure current protection
In some cases, a HL adapter solution (High-level input) required if a factory radio without a preamplifier output is used. However, most ESX amplifiers come with a high-level input directly, which makes the connection easier.
Installation in tight vehicle areas
Many ESX amplifiers are compactly designed, so even in an Audi A3 or SEAT Ibiza, very little space is lost for installation. Important is a well-ventilated location to prevent thermal overload. For larger subwoofers in sedans like the Mercedes C-Class, an enclosure can be placed in the trunk corner without losing much usable space.
DSP tuning for individual sound adjustment
The integrated DSP (Digital Signal Processor) in some ESX amplifiers makes car audio even more flexibly controllable. The following parameters can often be modified on a DSP amplifier:
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Equalizing: Boosting or cutting specific frequencies in the range of 20 Hz to 20 kHz
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Runtime correction: Time alignment between left and right speakers
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Filter: Setting low-pass, high-pass, or band-pass filters for clean frequency division
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Gain Management: Fine-tuning of the levels for each channel
Whether you prefer deep bass in a VW Golf or crystal-clear highs in a BMW 5 Series – a DSP allows you to tailor the sound exactly to your taste. Thanks to user-friendly software interfaces, tuning is also feasible for ambitious beginners. A thorough calibration using an RTA (Real Time Analyzer) or appropriate smartphone apps leads to particularly harmonious results.
System extensions for more sound volume
An ESX complete system typically consists of an amplifier, subwoofer, and a matching set of speakers. If you want to upgrade step by step, the following order is recommended:
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Replacement of the factory speakers: Higher durability, clearer mids, and lively treble reproduction
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Amplifier Integration: More levels and cleaner signal amplification, especially when listening to music at high volume
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Subwoofer extension: Rich bass for a full frequency spectrum from 25 Hz upwards
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DSP Tuning: Precise fine-tuning of all components for a vibrant stage
By the way, depending on the model, multiple amplifiers can also be cascaded if you want to integrate very high-power multi-channel setups or separate kick basses. The modular design of the ESX series makes it easier to expand the system later on.
Tips for optimal integration
Generally applies:
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Disconnect battery, before you start the installation
- High-quality Signal and power cables for trouble-free operation
- Sufficiently large Fuse (at least 50 A at >500 W RMS)
- Clean Mass connection on the vehicle chassis
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Insulation material in doors and trunk to reduce rattling noises
If you are unsure about the wiring or DSP configuration, our Installation service in Frankfurt Oder gladly further. The AI chatbot for compatibility checking also supports you before you buy products.
ESX Car Audio in Practical Test
Especially in highly demanded models like the VW Golf 7, Opel Astra, or BMW 3 Series, it becomes clear that a targeted upgrade with ESX Car Audio far surpasses the factory equipment. The combination of special subwoofers and powerful amplifiers enables a punchy bass performance, while silk or aluminum dome tweeters provide high-resolution highs. Convertibles also benefit from powerful amplifiers that compensate for frequency losses with the top down. Thanks to extensive adjustment options, the system remains adaptable to all music genres, whether R’n’B, rock, or techno.
Recommendations for Different Vehicle Types
Whether Mercedes A-Class or SEAT Leon: Most ESX speaker sets are vehicle-specific designed and can be mounted using the included adapters. For sedans, 2-way systems are suitable for the front doors, combined with a 25 cm subwoofer in the trunk. Compact models like the Audi A1 benefit from integrated amplifiers with only 45 mm height, which can disappear under the front passenger seat. Station wagons and SUVs have enough space for larger enclosures to generate even more bass.
Additional Features and Equipment
ESX goes beyond pure sound and offers some features that make your everyday life easier:
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Bluetooth Streaming with certain DSP amplifiers for wireless music playback
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Remote controller for fine adjustment of the subwoofer level from the driver's seat
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Auto-Turn-On Circuit that automatically activates the amplifier with the radio
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Parallel operation for connecting multiple pairs of speakers to one channel
This not only saves you time in handling but also allows you to integrate more comfort into your vehicle without a separate head unit, depending on the model.
Car Hi-Fi Service and Professional Support
In the Carhifi Online Shop Masori You can buy the ESX products online and have them delivered directly to you. For detailed questions or personal advice, our Expert Support available. Whether wiring harnesses, housing solutions, or speaker adapters – we carry all accessories. Upon request, we can also install your components here in Frankfurt Oder. This way, you get everything from a single source.
Enhance the sound experience in your car with ESX
ESX Car Audio delivers solid car audio solutions for various requirements and versatility in installation. Whether you're looking for a digital processor for high-precision sound management or a compact subwoofer with a perfect fit – the variety of the range covers practically every application. The seamless compatibility with many vehicle brands simplifies the upgrade process. Combined with damping materials, cable kits, and high-quality chassis, your car sound is optimized. Benefit from flexible DSP functions, powerful amplifiers, and high-quality speakers to enjoy your favorite music crystal clear and powerful in every driving situation.