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12-Channel EV-Series Hi-Res Audio Processor Amplifier

| Owners Manual | Tesla Specific | Professional Installation Recommended |


Tuning Software

  • Sound Tuning with PC App Control
  • Sound Tuning with iPhone App (must be iPhone 10 or newer)
  • Matrix input summing


  • 12 Ch Hi-Level / 2-Ch RCA Input / 2-Ch RCA Preout
  • HD Bluetooth / Optical / Coaxial, USB


  • 10 Ch Hi-Level / 2 Ch RCA

Output Signal Gain

  • Range: Silent, -60dB~+6dB

Output Signal Equaliser

  • Type: Parametric equalisation, Graphic equalisation
  • Frequency: 20Hz~40kHz, resolution 1Hz
  • Q value (slope or gradient): 0.404~28.852
  • Gain: -12.0dB~+12.0dB, resolution 0.1dB~0.5dB~1.0dB

Output Signal Frequency Divider

  • Multi-Order High Pass and Low Pass Filters per Output Channel
  • Filter type: Link-Ril, Butter-W, Bessel
  • Crossover point: 20Hz~40kHz resolution 1Hz
  • Filter slope (slope): -6dB/Oct~-48dB/Oct

Output Phase

  • Normal phase or reverse phase (0-360deg)

Output Delay

  • 0.000~20.000ms, 0~692cm, 0~273 inch



        Dynamic Range

        • ≥100dB

        Signal-to-Noise Ratio (RCA)

        • ≥101dB

        Noise Floor

        • High level CH1~CH6: 95uVrms

        • CH7-CH10: 48uVrms

        • CH11-CH12: 135uVrms

        • RCA: 5.8uVrms

        Channel Separation

        • ≥80dB

        Total Harmonic Distortion

        • ≤0.01%

        Input Voltage

        • High level: 30Vpp

        • RCA: 6.5Vpp

        Output Voltage

        • High level: CH1~CH6: 40Vpp, CH7~CH10: 28Vpp,CH11~CH12: 58Vpp:

        • RCA: 6.5Vpp

        Rated Power

        • CH1~CH6: 50W, CH7~CH10: 25W, CH11~CH12: 100W (4Ω, 14.4V, 1kHz, 10%THD)

          Connection CH11~CH12: 1CH×200W(2Ω, 14.4V, 1kHz, 10%THD)

        • 850W RMS Total Power

        Maximum Power

        • CH1~CH6: 100W,CH7~CH10: 50W, CH11~CH12: 200W (4Ω, 14.4V, 1kHz, 10%THD) Connection CH11~CH12: 1CH×400W (2Ω, 14.4V, 1kHz, 10%THD)

        I/O Sensitivity (RCA)

        • 1:1 (without power amplification)

        Frequency response

        • 20Hz~40kHz

        System Sampling Rate

        • 96kHz/24Bit

        Input Resistance

        • High level: 18Ω

        • RCA: 15kΩ

        Output Resistance

        • 51Ω

        Operating Voltage

        • 9~17V

        Quiescent Current

        • ≤3mA (while off)

        Standby Power Consumption

        • ≤0.1W

        REM Start Input

        • High level (H1-/H1+), ACC optional

        REM Start Output

        • 12V (0.2A)

        Boot Time

        • 10s

        Use Ambient Temperature

        • -20~70degC

        Storage Temperature

        • -40~85degC


        • 263mm x 262mm x 58mm


        • 4.7kg



          Introducing PXE-X121-12EV, an exemplar of car audio excellence, proudly belonging to our revered Digital Precision Series and tailored exclusively for Tesla owners. The cutting-edge EV-Series is the most complete audio solution for Tesla vehicles in the market, delivering powerful and precise sound that harmonises with your music, enriching every note and beat. Additionally, you can explore our range of system configurations available in three distinct tiers, allowing you to build a system that best resonates with your auditory desires.

          Beneath its ultra-stylish and compact chassis is state-of-the-art DSP technology with an all-digital architecture that effortlessly powers up to 850Watts into 12-channels of pure audio all-while minimising power consumption. Moreover, PXE-X121-12EV boasts a robust construction that guarantees unparalleled durability and longevity. Its premium materials and superior build make it the preferred choice for those who demand nothing but the best from their car audio systems.

          Thoughtfully designed to suit your Tesla’s contemporary interior, the PXE-X121-12EV showcases the signature sleek and premium design of the DP-Series. Its unobtrusive presence seamlessly merges with your car’s aesthetics, enhancing the overall ambiance while delivering extraordinary audio performance. Say farewell to cluttered installations and welcome a seamless, integrated audio upgrade that elevates your driving experience.

          Installing PXE-X121-12EV is a breeze. Featuring plug-and-play connections, you can enjoy a hassle-free installation process, without the need of vehicle modification, cutting of wires, or soldering. Whether you’re a car audio enthusiast or someone seeking to upgrade their driving pleasure, EV-Series is the ultimate choice for those who demand unmatched performance and premium quality.

          Elevate your Tesla to unprecedented sonic heights with the Alpine EV-Series today and immerse yourself in the ultimate auditory adventure.

          The Evolution of Sound

          Bring on the future, through our innovation high-end audio is now possible for EVs.

          The automotive space is rapidly moving to electrification. At Alpine we’re embracing the future to enhance your driving life with high-end audio components exclusively designed for EV’s. We’re also leading the way in sound innovation too, our advances in high-technology digital sound processing is next level, to control with precision the sound time domain and response of each speaker, as well as correcting the acoustic environment of the cabin space. Through this innovation, the sound is fundamentally astonishing, the audio is not only revealed with enthusiastic musicality, but also takes you into the realm of an atmospheric immersive experience.

          Tesla Model 3

          In the pursuit of the pinnacle of performance this is the most complete high-end audio system available for Tesla. Powered by two DSP amplifiers the sound is delivered with authority to the entire speaker system and 10-inch subwoofer. The extensive DSP capabilities allows optimisation of the cabin acoustics with precision and atmospheric three-dimensional sound. Experience music the way it was meant to be heard—with crystal clear clarity and profound depth that engages emotion and every sense.

          Tesla Model Y

          Designed for the most discerning audiophiles that demand the very best in audio, this system unleashes the signal processing of two DSP amplifiers for precision control of the sound-stage, as well as powering the entire speaker system and the stealth installation 10-inch subwoofer. This comprehensive package transforms every note into an electrifying symphony, reshaping the realm of audio excellence with an atmospheric three-dimensional auditory experience.

          Hi-Res Audio Certified

          The PXE-X121-12EV is Hi-Res Audio Certified and able to reproduce frequencies from 20Hz to 40kHz. This ultra-wide bandwidth helps elevate your music to a whole new level of clarity and nuance to achieve a level of detail far closer to that of the original studio recording.

          Easy Integration with Tesla Sound Systems

          The PXE-X121-12EV, boasting premium finishes and a unique design, is Alpine’s centrepiece of complete audio upgrades for Tesla. Compatible with Model 3 and Model Y, the direct-fit harnesses (sold separately) ensure a hassle-free, high-quality installation without vehicle modification. With vast compatibility options, PXE-X121-12EV allows for seamless integration into both OEM and aftermarket systems, providing a quick, effortless audio upgrade to your Tesla.

          Convenient Customisation

          The PXE-X121-12EV is designed with user convenience in mind. Using the companion mobile app or PC software, users can quickly and easily configure parameters such as equalisation curves, phase and gain levels, time delays and crossover points for the ultimate control in sound customisation.

          RUX-C810 Controller Ready

          The RUX-C810 controller can be placed virtually anywhere and allows for users to access source selection and EQ presets, as well as adjustment of master volume and subwoofer level on the go. (RUX-C810 sold separately)

          Advanced Digital Signal Processing

          This device is equipped with cutting-edge digital signal processing capabilities, allowing users to customise and fine-tune their car audio system according to their preferences. With precise control over equalisation, time alignment, and crossover settings, users can optimise the soundstage, eliminate distortion, and create a personalised audio environment inside their vehicle.

          All-In-One Audio Powerhouse

          The PXE-X121-12EV is the ultimate all-in-one solution for audio enthusiasts. With its 12 powerful channels, this device redefines versatility and convenience. Engineered to perfection, it has the ability to power an entire factory or aftermarket sound system single-handedly. Each of its 12 channels is a powerhouse of audio precision, delivering exceptional clarity and depth, consolidating all your audio needs into one sleek package.