This exclusive package is brought to you by Onlinecarstereo. We have put together this bundle to kickstart your vehicle to the path of excellent car audio.
We are an authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

Say goodbye to factory sound and upgrade to crystal-clear, high-performance audio—featuring a 4" mid-bass driver and 0.75" silk dome tweeter for accurate response from 65 Hz to 22 kHz, plus a 25 mm titanium dome tweeter with neodymium magnet that delivers sparkling highs beyond 20 kHz. Enjoy next-level clarity, improved power handling, and sound that truly elevates every drive.
Experience crisp, dynamic sound with a stable yet ultralight fiberglass cone—driven by a high-efficiency dual neodymium setup with robust N42H magnets for powerful output, even with modest amplification. With 60W RMS / 120W peak power handling, you get clean, distortion-free audio at any volume.


Enjoy long-lasting audio performance with durable construction designed for daily use—engineered for a precise fit in BMW factory speaker locations and featuring vehicle-specific connectors for a quick, no-mod install with zero hassle.

Transform your BMW’s sound with a major boost in audio quality and higher power handling than factory systems. Enjoy a stable yet ultra-light fiberglass cone for precise, dynamic sound, powered by a dual neodymium motor with an N42H magnet for outstanding performance—even with moderate amplifier power.
The CSB8W subwoofer delivers powerful low-end performance with a 50 mm CCAW voice coil, achieving an impressive 89 dB/W/m efficiency. Complementing the bass, the CSB4.2C component system features a 25 mm titanium dome tweeter for crisp, detailed highs and exceptional treble clarity.


Ditch the factory setup and experience a true audio upgrade—enjoy clearer, more powerful sound in your BMW with enhanced power handling and a lightweight yet rigid fiberglass cone that delivers crisp, dynamic performance every time you hit the road.
Experience crystal-clear treble with a 25 mm titanium dome tweeter powered by a high-performance neodymium magnet—paired with a dual neodymium N42H drive for strong output even with moderate power, and a linear frequency response that extends beyond 20 kHz for unmatched clarity and detail.


Enjoy a hassle-free installation with vehicle-specific connections across all models—expertly engineered for BMW vehicles to ensure perfect compatibility and optimized sound quality without the need for modifications.

This powerful 8-channel amplifier delivers precision and flexibility with 80W RMS x6 @ 4Ω / 135W RMS x6 @ 2Ω plus 120W RMS x2 @ 4Ω / 220W RMS x2 @ 2Ω. For even more output, channels 1–6 can bridge to 270W per pair, while channels 7–8 push up to 440W, making it ideal for driving subwoofers or high-demand speakers with authority.
Featuring a 12-channel DSP, this amplifier gives you complete control with fine-tuned sound staging, time alignment, and EQ adjustments for audiophile-level performance. Its flexible inputs—including high-level, RCA, AUX, and optical PCM 192 kHz/24-bit—ensure smooth integration with virtually any system setup.


Designed for system growth, this amplifier includes 4 RCA pre-outs for adding extra amps with ease. Its compact aluminum chassis (245 × 44 × 150 mm) ensures durability while allowing flexible installation in tight spaces. For complete customization, it comes with dedicated DSP tuning software available for download, giving you full control over sound staging, time alignment, and EQ right from your PC.
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