Model: Gemini 770DSP. Each model is equipped with everything needed to achieve precise tuning, powerful output, and outstanding sound quality DSP Processor: Yes. Amplifier Class: AB. Frequency Range: 15–20,000 Hz.
eBay
High quality 6.5 inch car speaker 400W hifi car audio stereo lossless modification tweeter mid-woofer subwoofer Dynaudio372 OEM
Aliexpress UK
DSP4086 - JBL 8-Channel X 60W RMS Amplifier with DSP. It is a self-contained audio system with 6-channel audio inputs, 8-channel powered audio outputs, an easy to use tuning interface a novice can understand and detailed tuning capabilities to satisfy even experienced installers.
eBay
12V Car Subwoofer Car Bass Speakers Large Consumption Audio Modification Sound Amplifier
Aliexpress UK
Soundstream BX-108Z, bass restoration processor, car audio bass processor, digital bass enhancer, subwoofer bass booster, open box Soundstream processor, car audio signal processor, BX108Z bass restoration.
eBay
2pcs (2X280W) 560W 4 Inch HiFi Car Speakers HD Audio 3 Way Coaxial Speakers Full Range Stereo Subwoofer Car Door Speaker
Aliexpress UK
1 In / 4 Out Digital Signal Processor ADSP-CLEAN-4 Audiopipe.
eBay
1PC 4/5/6 Inch Car Speakers 100W/160W HiFi Coaxial Subwoofer Universal Automotive Audio Music Full Range Car Stereo Speaker
Aliexpress UK
eBay
5 inch (2X320W) 640W 3 Way Car High-fidelity Coaxial Speakers Vehicle Door Auto Audio Music Stereo Subwoofer Automotive Speaker
Aliexpress UK
The Nemesis Audio NA-BASSPRO Car Audio Digital Bass Processor is a signal processor designed specifically for car audio systems. Made by the brand Nemesis, this model is manufactured in China. The NA-BASSPRO is designed to enhance the bass sound in car audio systems, providing clear and powerful low-frequency audio for an immersive listening experience. With its digital technology, this processor offers advanced sound quality and control features to improve the overall performance of your car audio system.
eBay
1Pair 450W 4X6 Inch 4-Way Car HIFI Coaxial Speaker Car Door Audio Music Stereo Tweeter Mid-woofer Full Range Frequency Speaker
Aliexpress UK
20, only for models DB 510DSP. DEAF BONCE DB-510DSP. The Deaf Bonce DB-510DSP is a powerful digital signal processor that enhances audio quality with advanced DSP technology. 1-DIN Car MP3/WMA/USB/AM/FM Receiver with Built-In Digital Signal Processor (DSP) & Equalizer.
eBay
Q-PERTORS 1PC 6.5'' 200W Car Subwoofer Audio Speaker 4 Ohm for Car Home Theater System Upgrade Stereo Component Modification
Aliexpress UK
9.7" Android 14 Touch Screen Head Unit BT DAB Radio For Vauxhall Astra 2010-2014. Car Digital DAB+Adapter Tuner Audio Radio Box USB Receiver Antenna For Android. Supports automatic local search. Supports the RDS function.
eBay
200W Bass Speaker Subwoofer Frequency Divider HiFi Stereo Car Frequency Divider Car Audio Sound Crossover
Aliexpress UK