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A proper speaker upgrade for BMW — built to fit, built to perform
The factory speaker setup in many BMW models leaves a lot on the table for anyone who actually cares about how their music sounds.
The UP C42BMW-FRT.2 is designed specifically to fix that — a 2-way component system with BMW-specific baskets that slots into your existing mounting positions without modification.
The improvement over stock is immediate across the full frequency range, with noticeably better precision and dynamics from the mid-bass driver. Up top, the 25mm silk dome tweeter handles treble with a clarity and resolution that most factory tweeters simply can't match — and a three-step level adjustment lets you dial it in to your listening preference rather than accepting a one-size-fits-all tuning.
These speakers are solid on their own, but they really come into their element paired with a DSP amplifier which gives extra control over EQ, time alignment, and crossover points, taking the whole system to another level.
If your BMW came with the base audio setup and you've been tolerating it rather than enjoying it, this is the most direct path to a proper sound upgrade.
| Power RMS / max. | 60 / 120 Watts |
| Frequency response | 100 Hz - 25,000 Hz |
| Impedance | 4 Ω |
| Efficiency 1 W / 1 m | 90 dB |
| Cone material | TW: Coated silk dome M: - W: Coated paper |
| Crossover | Separate, 12 dB / 12 dB slope with 3-stage tweeter level adjustment |
| Outer diameter | TW: 43.3 mm / 1.71" M: - W: 119 mm / 4.69" |
| Installation diameter | TW: 41 mm / 1.61" M: - W: 80 mm / 3.15" |
| Installation depth | TW: 9.6 mm / 0.38" M: - W: 27 mm / 1.06" |