9-inch Android Head Unit for Isuzu D-Max 2020–2023 by Polaris
Upgrade the factory infotainment system in your 2020–2023 Isuzu D-Max with the Polaris Isumaxx20 9-inch Android head unit. It combines a 1280 × 800 QLED touchscreen with wired and wireless Apple CarPlay and Android Auto, Bluetooth 5.0, built-in Wi-Fi and 4G SIM capability.
The capacitive touchscreen provides access to your compatible smartphone functions, media and navigation apps through a modern Android interface. Voice control is also supported, including Google Assistant through Android Auto and Siri through Apple CarPlay.
For audio, the Isumaxx20 uses a MOSFET 4 × 50 W built-in amplifier, 13-band EQ, 24-bit D/A conversion, LPF/HPF crossover control and dedicated subwoofer controls. It also retains the factory camera and provides two camera inputs for compatible camera systems.
Wireless & Wired Apple CarPlay & Android Auto
Experience effortless smartphone integration with both wireless and wired Apple CarPlay and Android Auto. Get instant access to navigation, streaming, messaging, and hands-free voice commands, so you can stay connected without taking your eyes off the road.


Navigation – Download Your Favourite GPS App
Take the route that works best for you with the freedom to download your favourite navigation apps, including Google Maps, Waze, and Hema. Enjoy real-time traffic updates, accurate directions, and reliable guidance wherever the road—or trail—takes you.

Powerful Sound with a Premium Amplifier
Experience rich, high-fidelity audio with the STPA008 amplifier, featuring 4 × 50W MOSFET power and three pairs of 4V pre-outs for front, rear, and subwoofer connections. Enjoy crisp highs, deep bass, and immersive sound quality on every drive.

Hi-Res QLED Display
Enjoy exceptional clarity on the 9-inch QLED display with MiraVision technology and a crisp 1280 × 900 resolution. Experience vibrant colours, enhanced contrast, and razor-sharp detail for an immersive viewing experience, whether you're navigating, streaming, or reversing.

Retains Your Factory Reverse Camera
Upgrade your head unit without losing the convenience of your factory reverse camera. Enjoy seamless compatibility that keeps your original camera working as intended, providing a clear, reliable view when reversing—no additional modifications required.

4G SIM Connectivity
Stay connected wherever the road takes you with built-in 4G SIM support. Stream music, access real-time navigation, browse online, and enjoy your favourite apps without relying on Wi-Fi or phone tethering.

Modern Android Interface
Navigate with confidence using a sleek, intuitive Android interface designed for speed and simplicity. Enjoy quick access to your favourite apps, effortless navigation, and customisable features that put everything you need within easy reach.

Over-the-Air Updates
Keep your head unit performing at its best with seamless over-the-air software updates. Receive the latest features, performance enhancements, and improvements automatically—no manual updates required.

Features
- 9-inch QLED touchscreen
- 1280 × 800 resolution
- Capacitive touchscreen
- Android operating system
- 6 GB RAM
- 128 GB ROM
- Wired and wireless Apple CarPlay
- Wired and wireless Android Auto
- Voice control with Google Assistant and Siri
- Bluetooth 5.0 with dual connection
- Built-in and external microphone support
- 2.4 GHz and 5 GHz Wi-Fi
- 4G SIM compatible
- AM/FM radio with RDS
- High-performance radio receiver
- Local seek tuning
- USB media playback
- SD media playback
- SD/SDHC memory card slot
- 1 x cabled USB for wired CarPlay and Android Auto
- 2 x cabled USB ports for media
- Retains factory camera
- 2 camera inputs
- 13-band EQ
- MOSFET 4 × 50 W built-in amplifier
- 24-bit D/A converter
- LPF/HPF crossover network
- 3-way audio network mode
- Subwoofer control
- Advanced Sound Retriever
- Listening position selector
Specifications
| CPU |
Cortex-A53 4CPU + 4GPU, 2.0 GHz |
| GPU |
ARM @ 400 MHz |
| RAM |
6 GB |
| ROM |
128 GB |
| Memory Type |
LPDDR4, speeds up to 3200 MT/S |
| PCB Layer |
8 layers with 2 ranks |
| Working Voltage |
10.8 V–16 V |
| Operating Temperature |
-20°C to 70°C |
| Weight |
2.4 kg |
| Chassis |
No chassis. Screen attached to fascia panel and clips into factory dash. |
| Warranty |
2 years from date of purchase |
Display
| Screen Type |
QLED |
| Screen Size |
9 inches |
| Resolution |
1280 × 800 |
| Display Mode |
16:9 |
| Touchscreen |
Capacitive touchscreen |
| LED Backlight |
Yes |
| Screen Density |
293 |
| DPI |
300 |
Smartphone Integration
| Android Auto |
Wired and wireless |
| Apple CarPlay |
Wired and wireless |
| Voice Control |
Yes, Google Assistant with Android Auto and Siri with Apple CarPlay |
Wi-Fi & Bluetooth
| Wi-Fi |
2.4 GHz and 5 GHz |
| Wi-Fi Speed |
Up to 600 Mbps download |
| Bluetooth |
Bluetooth 5.0 |
| Bluetooth Audio |
A2DP Bluetooth stereo music |
| Dual Connection |
Yes, phone + other Bluetooth device |
| Internal Microphone |
Yes |
| External Microphone |
Yes |
| SIM Capability |
Yes, 4G |
Radio
| Radio IC |
SI47901 |
| AM/FM Tuner |
High-performance radio receiver |
| DAB+ Tuner |
No |
| Local Seek Tuning |
Yes |
| RDS |
Yes |
Audio
| Amplifier IC |
STPA008 |
| Built-in Amplifier |
MOSFET 4 × 50 W |
| RCA Pre-outs |
3 pairs, 4 V for front, rear and subwoofer |
| Equaliser |
13-band EQ |
| D/A Converter |
24-bit |
| Crossover Network |
LPF/HPF |
| 3-Way Audio Network Mode |
Yes |
| Subwoofer Control |
Yes |
| Advanced Sound Retriever |
Yes |
| Listening Position Selector |
Yes |
Media Playback
| USB Playback |
Yes |
| SD Playback |
Yes |
| SD/SDHC Memory Slot |
Yes, located at the rear of the head unit |
| USB Connections |
1 x cabled USB for wired CarPlay/Android Auto and 2 x cabled USB for media |
| CD/CD-R/CD-RW Playback |
No |
| DVD Playback |
No |
| HDMI |
No |
| File Formats |
MP3, WMA, WAV, OGG, FLAC, APE, RMVB, MKV, MOV, WMV, AVI, MPG and TS with 1080P H.264 format |
Camera
| Camera Inputs |
2 |
| Reverse Camera Included |
No |
| Factory Camera Retention |
Yes |
What's Included
- Polaris Isumaxx20 9-inch Android head unit
- Wiring harness
13-inch Screen Upgrade
A 13-inch screen upgrade is available for an additional $250. The larger display uses a 2000 × 1200 QLED screen and includes wired and wireless Apple CarPlay and Android Auto.
Please confirm the 13-inch upgrade and its compatibility with your vehicle before ordering.

Important Installation Note
Removing the original factory head unit can be difficult and requires significant force. Some of the original clips may break during removal, even when care is taken.
Spare clips are available separately if required.
Frequently Asked Questions
Is this head unit compatible with my 2020–2023 Isuzu D-Max?
The supplied product information lists the 2020–2023 Isuzu D-Max as the compatible vehicle. If you have a different model or variant, please confirm the exact vehicle details before ordering.
Does it support wireless Apple CarPlay?
Yes. The Isumaxx20 supports both wired and wireless Apple CarPlay.
Does it support wireless Android Auto?
Yes. The Isumaxx20 supports both wired and wireless Android Auto.
Can I retain the factory reverse camera?
Yes. The supplied specifications state that the head unit retains the factory camera. A reverse camera is not included with the head unit.
Does it support steering wheel controls?
Yes. Steering wheel control support is listed where applicable.
Does the head unit support a 4G SIM card?
Yes. The Isumaxx20 has 4G SIM capability.
Does it have DAB+ radio?
No. The supplied specifications list an AM/FM tuner with RDS but state that a DAB+ tuner is not included.
What warranty is included?
The head unit comes with a 2 year manufacturer warranty from the date of purchase.