1. Introduction
Welcome to the ATK Neptune N9 Pro/N9 Ultra Wireless Gaming Headset user manual. This guide provides comprehensive instructions for setting up, operating, and maintaining your new headset. Designed for an immersive gaming experience, the Neptune N9 series features advanced audio technology, versatile connectivity, and ergonomic comfort.

2. Product Overview
Key Features
- Gold Standard Quality: Flagship-grade Hi-Fi audio and eSports precise sound positioning.
- Large Dynamic Drivers: 53mm PET Diaphragm (N9 Pro) or Titanium Diaphragm (N9 Ultra) dynamic driver unit for shocking dynamic response and detailed presentation.
- Lightweight Design: Approximately 270g with an upgraded steel fork structure and lightweight alloy curved beam.
- All-Weather Comfort: Protein leather ear cushions and reinforced headband structure for long-term comfort.
- Four-Mode Connection: Versatile connectivity via 2.4G wireless, Bluetooth 5.3, 3.5mm audio cable, and USB Sound Card mode.
- Low Latency: 10ms ultra-low one-way latency in 2.4G wireless mode.
- Long-lasting Battery: 1500mAh battery providing up to 130+ hours of battery life.
- StarPick Technology: 10mm detachable omnidirectional ENC noise-cancelling microphone for clear communication.
- Spatial Audio: "Universe" Spatial Audio for immersive soundscapes and precise in-game audio cues.
- Customization: Supports ATKHUB3.0 client driver for battery display, volume adjustments, multi-band EQ, and virtual 7.1 surround sound.

Package Contents
The ATK N9 series package typically includes the following items:

- 2.4G Wireless Transmitter (including adapter)
- Type-C to USB-A Data Cable
- Type-C to 3.5mm Audio Cable
- Detachable Microphone
- User Guide
- Warranty Voucher
- Safety Specification Guide
3. Setup
Connecting Your Headset
The ATK Neptune N9 series offers four connection modes to suit various devices and scenarios:

- 2.4G Wireless Mode: For PC, tablet, laptop, desktop, NS, PS4/5. Insert the 2.4G wireless transmitter into your device's USB port. The headset will automatically connect.
- Bluetooth Mode: For mobile, tablet, laptop, desktop, NS, PS4/5. Enable Bluetooth on your device and pair with the headset.
- 3.5mm Audio Mode: For mobile, tablet, laptop, desktop, NS, PS4/5, XBOX. Connect the Type-C to 3.5mm audio cable to the headset and your device's 3.5mm jack.
- USB Sound Card Mode: For mobile, tablet, laptop, desktop, NS, PS4/5. Connect the Type-C to USB-A data cable to the headset and your device's USB port.
Note: When using the Type-C to 3.5mm audio cable, it operates in 3.5mm mode. When using the Type-C to Type-A or Type-C to Type-C cable, it operates in USB sound card mode.
Microphone Attachment
Attach the detachable omnidirectional microphone to the designated port on the headset for voice communication.

4. Operating Instructions
Basic Controls
The headset features intuitive controls for audio and microphone management. The following functions are primarily for 2.4G mode:

- Power Button:
- Press x2: Switch between 2.4G / Bluetooth.
- Long press: Play/Pause.
- Volume Up Button:
- Press x1: Volume increase.
- Press x2: Previous track.
- Volume Down Button:
- Press x1: Volume decrease.
- Press x2: Next song.
- Long press: Minimum volume.
- Microphone Button:
- Press x1: Microphone on/off.
- Press x2: Spatial audio on/off.
- Press x3: Ear monitoring on/off.
Charging the Headset
The headset is equipped with a 1500mAh large capacity battery, offering up to 130+ hours of battery life. It supports NTC Temperature Control and allows playing while charging.

Important Charging Note: Do not charge the headphones with a power adapter; use the provided data cable to connect to a computer for charging.
Software Customization
The Neptune headset supports the ATKHUB3.0 client driver, allowing for multiple customizations including battery display, various volume adjustments, sound effects with multi-band EQ adjustment, and virtual 7.1 surround sound.

5. Maintenance
General Care
- Keep the headset clean by wiping it with a soft, dry cloth.
- Avoid exposing the headset to extreme temperatures, humidity, or direct sunlight.
- Store the headset in a safe place to prevent physical damage.
Comfort and Durability
The headset is designed for durability and comfort with protein leather ear cushions and a reinforced headband structure. The headband offers 8-speed adjustment for a personalized fit.

6. Troubleshooting
Connectivity Issues
- No connection in 2.4G mode: Ensure the wireless transmitter is securely plugged into a USB port and the headset is powered on and in 2.4G mode.
- Bluetooth pairing issues: Make sure the headset is in Bluetooth pairing mode and visible to your device. Try forgetting the device on your host and re-pairing.
- No audio via 3.5mm: Check if the cable is fully inserted into both the headset and the device. Ensure the device's audio output is set correctly.
Audio Quality Issues
- Poor sound quality: Ensure the headset is fully charged. Check audio settings on your device and in the ATKHUB3.0 software.
- Microphone not working: Ensure the microphone is securely attached and not muted (check the headset button and device settings).
- Latency in wireless mode: For optimal low-latency performance, use the 2.4G wireless mode. The 2nd Generation SmartSpeedx Wireless Transmission Technology provides a one-way transmission delay as low as 10ms.

7. Specifications
The following table details the specifications for the ATK Neptune N9 Pro and N9 Ultra headsets:

| Parameter | N9 Pro | N9 Ultra/N9 Ultra+ |
|---|---|---|
| Name | ATK Neptune N9 Series Wireless Gaming Headset | |
| Color Matching | Black/White | Star Orange/Stellar Pink |
| Sound | "Cosmic" Spatial Audio | |
| Driver Unit | 53mm PET Diaphragm Dynamic Driver Unit | 53mm Titanium Diaphragm Dynamic Driver |
| Frequency Response Range | 20Hz-20kHz | 10Hz-40kHz |
| Ear Mask | Protein leather ear cushions | |
| Microphone Monitoring | Support | |
| Battery Capacity | 1500mAh | |
| Battery Life | 130+ hours | |
| Weight | Approximately 270g | |
| Microphone | "StarPick" Omnidirectional ENC Noise-Cancelling Microphone | |
| Delay | 10ms Single Direction | |
| Driver | ATKHUB3.0 Client Driver | |
| Adaptable Platforms | PC/Android/iOS/NS/PS4/PS5 (XBOX for 3.5mm mode) | |
| Connection Mode | True 4-in-1 Connection: 2.4G / Bluetooth 5.3 / USB Sound Card / 3.5mm | |
8. User Tips
- Optimal Latency: For competitive gaming, always prioritize the 2.4G wireless connection to benefit from the ultra-low 10ms latency.
- Comfort Adjustment: Take advantage of the 8-speed headband adjustment to find the perfect fit for long gaming sessions.
- Software Customization: Download and install the ATKHUB3.0 client driver from the official ATKGEAR website to fine-tune your audio experience with EQ settings and virtual 7.1 surround sound.
- Charging Best Practice: Always charge your headset by connecting it to a computer's USB port using the provided data cable, rather than a wall adapter.
9. Warranty and Support
For product-related downloads, warranty information, and other services, please visit the official ATKGEAR website.
Website: WWW.ATKGEAR.COM






