








ATOTO S8 Gen4 9" Double DIN Android Head Unit with Backup Camera & OBD2 Scanner, Wireless CarPlay & Android Auto, Built-in 4G LTE, QLED Display, AI DriveChat, DSP with Optical Output, 4V Pre-Out, GPS Navigation


A7(S8 Gen4) Android Head Unit Main Features and Frequently Asked Questions
S8 Gen4(A7) defines a new class of in-car technology, delivering refined intelligence, driving support and performance at a well-balanced price.
Product Information:
1. Processor & Memory: Octa-core processor with true 4GB RAM + 64GB storage ensures smooth multitasking and stable system performance. 2. Operating System & UI: Runs on AICE UI 13M (Based on Android 13) . Supports thousands of G00gle Play apps and includes preinstalled tools like DriveChat (Al assistant), TrackHU (GPS tracking), and FindApps (APK downloader). 3. 9" QLED display (1280×800): offers crisp visuals, high brightness and strong contrast for navigation, camera views and video playback. 4. Connectivity & Networks: A single Bluetooth module supports hands-free calling, music streaming, BLE accessory control, and Bluetooth-based screen auto-lock/unlock. Built-in 4G LTE (nano SIM), Wi-Fi (2.4G/5G) and wireless CarPlay & Android Auto provide always-on internet access, hotspot sharing, and seamless connectivity for calls, navigation and media. 5. AI Driving Assistant: DriveChat AI provides natural voice interaction for hands-free control of music, navigation and system functions. With simple voice commands, drivers can stay focused on the road while the system understands requests and delivers fast responses. 6. Audio & DSP: Features a 32-band DSP with time alignment and a 4×45W peak / 4×24W RMS amplifier for powerful, tunable sound. 7. 7. Camera & Golden Hour Alert & Parking Guard: Supports up to 3 cameras. (Not: but can only display or record one camera feed at a time.) With the designated front camera connected, Golden Hour Alert can send alert notifications after serious impacts, while Parking Guard keeps recording when parked with voltage protection—helping watch over your car even when you’re away. [This feature requires the AC-HN9FR dashcam.]8. High-Fidelity Audio Outputs: 4V RCA pre-outs combined with optical and coaxial SPDIF digital outputs provide a clean, interference-free signal path for external amplifiers and audio processors, supporting high-end sound system upgrades.
FAQs
Q1: Does S8 Gen4(A7) support both wired and wireless CarPlay / Android Auto? ---No. S8 Gen4(A7) only supports Wireless CarPlay and Wireless Android Auto.
Q2: Can S8 Gen4(A7) show front and rear cameras at the same time?--- No. It can switch between views, but it does not display or record front and rear cameras simultaneously. Note: This included camera AC-HD01LR is for live viewing only and does not support recording
Q3: Does the 9" screen block air vents or buttons? ---In most vehicles, it does not. The 9-inch screen sits close to the dash for a clean OEM-style look, giving you a larger display while helping keep vents and buttons easy to reach.
Q4: Can S8 Gen4(A7) power external amplifiers? ---Yes. With 4V RCA pre-outs and Optical / Coax S/PDIF digital out, S8 Gen4(A7) delivers a clean, high-voltage signal to external amplifiers or DSPs—ideal for serious audio upgrades.
Q5: What makes the S8 Gen4(A7) Android car stereo stand out compared to the S8 Gen3?? ---Compared with S8 Gen3, one of the clearest differences is the addition of a built-in G-sensor. When paired with compatible DVR accessories(AC-HN9FR), S8 Gen4 can automatically trigger emergency recording and lock the video when a collision or strong impact is detected while driving. It can also capture three consecutive snapshots to help preserve key visual evidence. When the vehicle is parked, S8 Gen4 also supports up to 24 hours of voltage-based parking recording.



















ATOTOEXCEL Car Stereo for an Unprecedented Driving Experience
![]() 9'' 2DIN+Backup Cam+OBD |
![]() 10.1‘’ Ddouble DIN+Cam |
![]() 10'' +Dash Cam+Backup Cam |
![]() 10'' Single DIN+ Cam |
![]() 10.1'' Double DIN+OBD |
![]() 7'' Double DIN+Backup Cam |
|
|---|---|---|---|---|---|---|
System |
Android 4G+64G | Android 4G+64G | Android 6G+128G | Android 2G+32G | Android 2G+32G | Android 4G+32G |
Interface Types |
Full Touchscreen | Full Touchscreen | Full Touchscreen | Full Touchscreen | Full Touchscreen | Fully Laminated Touch Screen |
Resolution |
9":1280×800 QLED | 10.1":1280×800 QLED | 10": 1280×800 QLED | 10": 1280×800 QLED | 10": 1280×720 IPS | 7": 1280×720 QLED |
Amplifier & RCA Pre-Out |
Max 4*45W, RMS 4*24W, 4V RCA | Max 4*45W, RMS 4*24W, 4V RCA | Max 4*49W, RMS 4*29W, 4V RCA | ✓DSP, Max 4*45W, RMS 4*24W | ✓DSP, Max 4*45W, RMS 4*24W | ✓DSP, Max 4*45W, RMS 4*24W |
Coaxial&Optical S/PDIF Output |
✔ | ✔ | ✔ | ✘ | ✘ | ✘ |
Support Quad-Cam Recording In |
✘ | ✘ | ✔ | ✘ | ✘ | ✘ |
Support One‑Tap Car Karaoke |
✘ | ✘ | ✔ | ✘ | ✘ | ✘ |
Network Connection |
4G LTE, WiFi, USB | 4G LTE, WiFi, USB | 4G,WiFi,USB | WiFi, BT, USB | WiFi, BT, USB | 4G, WiFi, BT, USB |
CP/AA Connection |
Wireless CP and AA Only | Wireless CP and AA Only | Wireless CP and Wireless AA | Wireless & Wired CP and AA | Wireless & Wired CP and AA | Wireless & Wired CP and AA |
BT (BT) Hardware |
BT with SBC codec | BT with SBC codec | BT with aptX & aptX HD codec | BT with SBC codec | BT with SBC codec | Dual BT |
Video Inputs |
HD 1080P Rear &Front-view | HD 1080P Rear &Front-view | AHD 1080P F & R &In-Cabin View | AHD 720P/1080P Rear&Front-view | AHD 720P/1080P Rear&Front-view | HD 720P Rear &Front-view |
Video Outputs |
Dual Video Out (RCA/HDMI) | Dual Video Out (RCA/HDMI) | ✔ | HDMI | HDMI | Dual Video Out (RCA/HDMI) |
Original: $361.90
-65%$361.90
$126.66Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description


A7(S8 Gen4) Android Head Unit Main Features and Frequently Asked Questions
S8 Gen4(A7) defines a new class of in-car technology, delivering refined intelligence, driving support and performance at a well-balanced price.
Product Information:
1. Processor & Memory: Octa-core processor with true 4GB RAM + 64GB storage ensures smooth multitasking and stable system performance. 2. Operating System & UI: Runs on AICE UI 13M (Based on Android 13) . Supports thousands of G00gle Play apps and includes preinstalled tools like DriveChat (Al assistant), TrackHU (GPS tracking), and FindApps (APK downloader). 3. 9" QLED display (1280×800): offers crisp visuals, high brightness and strong contrast for navigation, camera views and video playback. 4. Connectivity & Networks: A single Bluetooth module supports hands-free calling, music streaming, BLE accessory control, and Bluetooth-based screen auto-lock/unlock. Built-in 4G LTE (nano SIM), Wi-Fi (2.4G/5G) and wireless CarPlay & Android Auto provide always-on internet access, hotspot sharing, and seamless connectivity for calls, navigation and media. 5. AI Driving Assistant: DriveChat AI provides natural voice interaction for hands-free control of music, navigation and system functions. With simple voice commands, drivers can stay focused on the road while the system understands requests and delivers fast responses. 6. Audio & DSP: Features a 32-band DSP with time alignment and a 4×45W peak / 4×24W RMS amplifier for powerful, tunable sound. 7. 7. Camera & Golden Hour Alert & Parking Guard: Supports up to 3 cameras. (Not: but can only display or record one camera feed at a time.) With the designated front camera connected, Golden Hour Alert can send alert notifications after serious impacts, while Parking Guard keeps recording when parked with voltage protection—helping watch over your car even when you’re away. [This feature requires the AC-HN9FR dashcam.]8. High-Fidelity Audio Outputs: 4V RCA pre-outs combined with optical and coaxial SPDIF digital outputs provide a clean, interference-free signal path for external amplifiers and audio processors, supporting high-end sound system upgrades.
FAQs
Q1: Does S8 Gen4(A7) support both wired and wireless CarPlay / Android Auto? ---No. S8 Gen4(A7) only supports Wireless CarPlay and Wireless Android Auto.
Q2: Can S8 Gen4(A7) show front and rear cameras at the same time?--- No. It can switch between views, but it does not display or record front and rear cameras simultaneously. Note: This included camera AC-HD01LR is for live viewing only and does not support recording
Q3: Does the 9" screen block air vents or buttons? ---In most vehicles, it does not. The 9-inch screen sits close to the dash for a clean OEM-style look, giving you a larger display while helping keep vents and buttons easy to reach.
Q4: Can S8 Gen4(A7) power external amplifiers? ---Yes. With 4V RCA pre-outs and Optical / Coax S/PDIF digital out, S8 Gen4(A7) delivers a clean, high-voltage signal to external amplifiers or DSPs—ideal for serious audio upgrades.
Q5: What makes the S8 Gen4(A7) Android car stereo stand out compared to the S8 Gen3?? ---Compared with S8 Gen3, one of the clearest differences is the addition of a built-in G-sensor. When paired with compatible DVR accessories(AC-HN9FR), S8 Gen4 can automatically trigger emergency recording and lock the video when a collision or strong impact is detected while driving. It can also capture three consecutive snapshots to help preserve key visual evidence. When the vehicle is parked, S8 Gen4 also supports up to 24 hours of voltage-based parking recording.



















ATOTOEXCEL Car Stereo for an Unprecedented Driving Experience
![]() 9'' 2DIN+Backup Cam+OBD |
![]() 10.1‘’ Ddouble DIN+Cam |
![]() 10'' +Dash Cam+Backup Cam |
![]() 10'' Single DIN+ Cam |
![]() 10.1'' Double DIN+OBD |
![]() 7'' Double DIN+Backup Cam |
|
|---|---|---|---|---|---|---|
System |
Android 4G+64G | Android 4G+64G | Android 6G+128G | Android 2G+32G | Android 2G+32G | Android 4G+32G |
Interface Types |
Full Touchscreen | Full Touchscreen | Full Touchscreen | Full Touchscreen | Full Touchscreen | Fully Laminated Touch Screen |
Resolution |
9":1280×800 QLED | 10.1":1280×800 QLED | 10": 1280×800 QLED | 10": 1280×800 QLED | 10": 1280×720 IPS | 7": 1280×720 QLED |
Amplifier & RCA Pre-Out |
Max 4*45W, RMS 4*24W, 4V RCA | Max 4*45W, RMS 4*24W, 4V RCA | Max 4*49W, RMS 4*29W, 4V RCA | ✓DSP, Max 4*45W, RMS 4*24W | ✓DSP, Max 4*45W, RMS 4*24W | ✓DSP, Max 4*45W, RMS 4*24W |
Coaxial&Optical S/PDIF Output |
✔ | ✔ | ✔ | ✘ | ✘ | ✘ |
Support Quad-Cam Recording In |
✘ | ✘ | ✔ | ✘ | ✘ | ✘ |
Support One‑Tap Car Karaoke |
✘ | ✘ | ✔ | ✘ | ✘ | ✘ |
Network Connection |
4G LTE, WiFi, USB | 4G LTE, WiFi, USB | 4G,WiFi,USB | WiFi, BT, USB | WiFi, BT, USB | 4G, WiFi, BT, USB |
CP/AA Connection |
Wireless CP and AA Only | Wireless CP and AA Only | Wireless CP and Wireless AA | Wireless & Wired CP and AA | Wireless & Wired CP and AA | Wireless & Wired CP and AA |
BT (BT) Hardware |
BT with SBC codec | BT with SBC codec | BT with aptX & aptX HD codec | BT with SBC codec | BT with SBC codec | Dual BT |
Video Inputs |
HD 1080P Rear &Front-view | HD 1080P Rear &Front-view | AHD 1080P F & R &In-Cabin View | AHD 720P/1080P Rear&Front-view | AHD 720P/1080P Rear&Front-view | HD 720P Rear &Front-view |
Video Outputs |
Dual Video Out (RCA/HDMI) | Dual Video Out (RCA/HDMI) | ✔ | HDMI | HDMI | Dual Video Out (RCA/HDMI) |


























