Pre Graphic Frequency: 50hz 125hz 315hz 750hz 2.2khz 6khz 12khz. Equalization Range: +- 12db. Subwoofer Frequency: 30hz-300hz. Input Impedance: 15k Ohms. S/N Ratio: 90db. THD.05%. Channel Separation: 70db.
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6.5-inch Vehicle Subwoofer Empty Box DIY Audio Modification Car/Home Subwoofer Drawer Speaker Wooden Shell Subwoofer Speaker Box
Aliexpress UK
A very rare Old School DSP Majestic Car Stereo Equalizer Spectrum Analyzer Crossover EQ. Condition is "New". Yours will be factory sealed. I showed my personal test EQ in the pics. It is heavy duty and built like a tank.
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GHXAMP 150W Midrange Speaker Crossover Mid 1 way Mediant Car Audio Crossover 4-8ohm For 3-6 inch Speaker Unit 2pcs
Aliexpress UK
SONY # XDP-MU110 Digital Link Sound System. Interested?. Let's make a deal!
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PZ-6508S Upgrade Hi-res 2- way Component Car Audio Speakers With 360W Max Power Deep Bass Fully Midrange,Father's Day Gift
Aliexpress UK
AV 5.1k HD is the first Car Audio amplifiers featuring digital inputs only, providing the ability to connect directly to the digital outputs of a digital signal processor (DSP). Through this connection, made via the Audison AD Link available on the Audison processors (bit One HD, bit One, bit Ten D), a Full DA HD audio chain can be created.
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2pcs Universal Car Speaker Holder Bracket Shell Horn Bracket Audio Media Tri Frequency Inversion Mid High Tone Cup Shell Holder
Aliexpress UK
Kicker 47KEY5001 Car Audio Smart DSP Mono Sub Amplifier Easy Auto Setup Amp Kicker 47KEY5001 Car Audio Smart DSP Mono Sub Amplifier Easy Auto Setup Amp. The KEY500.1 is a smart subwoofer amplifier and audio processor in one, featuring an AI-driven DSP (digital signal processing).
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Car Dashboard Speakers For BMW 5 Series G30 Front Door Tweeter Cover Audio Center Midrang Loudspeaker Horn Upgrade
Aliexpress UK
Output clipping LED’s. High Output 10volt RCA Output. Enough power to cleanly drive any amplifier. SMT (Surface Mount Technology).
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Car Illuminate Tweeter Cover Speaker For Bmw G20 3 Series Audio Trumpet Head Treble Speaker With Whole Trim Panel High Quality
Aliexpress UK
Sony XM-GS6DSP Amplifier : A powerful and efficient 5/6-channel Class-D amplifier with a built-in digital signal processor (DSP).
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8 Inch Car under Seat Woofer Speaker for BMW F30 F10 F32 F20 F22 F34 F48 E90 E60 G30 G20 X1 X3 X5 Internal Audio Accessory
Aliexpress UK
Press the selector, and the microphone goes to work. A massive 40-band equalizer improves tonality, and a 24dB crossover re-defines the capabilities of each speaker. The concert quality of your factory stereo is revealed!
eBay
AEA7-For 2/3.5/3.8 /4 Inch Speakers Car Audio Speaker A-Pillar Modified Three-Way Tweeter Bracket Plastic Washer Gasket
Aliexpress UK