Mawu Oyamba
Thank you for choosing the ammtoo GS400 ULTRA Wireless Gaming Headset. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the best experience from your headset. Designed for immersive gaming and high-quality audio, the GS400 ULTRA offers versatile connectivity and superior comfort.

The GS400 Ultra Wireless Gaming Headset with its accompanying USB dongle.
Zamkatimu Phukusi
- GS400 ULTRA Wireless Gaming Headset
- USB Dongle (for 2.4GHz wireless connection)
- Chingwe cha USB Type-C Chotsegula
- 3.5mm Audio Cable
- Buku la ogwiritsa (chikalatachi)
Khazikitsa
1. Kulipiritsa Headset
Before first use, fully charge the headset. Connect the USB Type-C charging cable to the headset's Type-C port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED indicator will show charging status.
A full charge takes approximately 3 hours. A voice alert will sound when battery capacity is below 3%.

Battery life details: 35-40 hours gaming, 15-20 hours with RGB lights, 3 hours charging time.
2. Kulumikiza Headset
The GS400 ULTRA offers three connection modes: 2.4GHz Wireless, Bluetooth, and 3.5mm Wired.

Connectivity options for PC, Mac, PS4, PS5, Switch, and mobile devices.
2.1. 2.4GHz Wireless Mode (USB Dongle)
This mode provides low-latency wireless audio, ideal for gaming on PC, Mac, PS4, PS5, and Nintendo Switch (via Type-C adapter).
- Insert the 2.4GHz USB dongle into an available USB-A port on your PC, Mac, PS4, or PS5. For Nintendo Switch, use the Type-C adapter if needed.
- Power on the headset by pressing and holding the Power button for 2 seconds.
- Switch the headset to 2.4GHz Wireless Mode using the mode switch button (labeled "2.4G").
- The headset should automatically connect to the dongle. The LED indicator on the headset will confirm connection.
2.2. Bluetooth (BT) Mode
Use this mode for wireless connection to Bluetooth-enabled devices like PCs, laptops, Macs, and mobile phones.
- Power on the headset by pressing and holding the Power button for 2 seconds.
- Switch the headset to BT Mode using the mode switch button (labeled "BT"). The headset will enter pairing mode, indicated by a flashing LED.
- On your device, go to Bluetooth settings and search for "GS400 ULTRA" (or similar).
- Select the headset to pair. Once connected, the LED indicator will stabilize.
2.3. 3.5mm Wired Mode
This mode is compatible with PC, Laptop, Mac, PS5/PS4 controllers, and NS/Xbox controllers.
- Connect one end of the 3.5mm audio cable to the headset's 3.5mm jack.
- Connect the other end to the 3.5mm audio port on your device or controller.
- The headset will operate in wired mode. Note: Some headset functions (like RGB lighting, wireless controls) may not be available in wired mode.
Malangizo Ogwiritsira Ntchito
Familiarize yourself with the headset's controls for optimal use.

Tsatanetsatane view of the multi-function controls on the headset.
Zowongolera Zomverera:
- Yatsani/Zimitsa: Press ndi kugwira Mphamvu batani kwa 2 masekondi.
- Sewerani/Imitsani: Click the Power button.
- Answer/Hang up Phone Call: Click the Power button.
- Refuse Phone Call: Double-click the Power button.
- Voliyumu +: Long press or click the Volume + button.
- Voliyumu -: Long press or click the Volume - button.
- RGB Light On/Off: Double-click the Volume + button.
- Maikolofoni Yatsekedwa/Yozimitsa: Click the Volume - button.
- Kusintha Mode: Use the dedicated switch to toggle between 2.4GHz Wireless Mode and BT Mode.
Kuwala kwa RGB
The headset features RGB lighting. By default, the RGB light mode is active when the headset is turned on. To conserve battery life and extend usage time (up to 35-40 hours), you can turn off the RGB lights by double-clicking the Volume + button. With RGB lights on, battery life is approximately 15-20 hours.
Kusamalira
Kuyeretsa
- Pukutani pamwamba pa mahedifoni ndi nsalu yofewa komanso youma.
- Osagwiritsa ntchito mankhwala owopsa, zosungunulira, kapena zotsukira zamphamvu.
- Keep the charging ports and audio jacks free of dust and debris.
Kusungirako
- Sungani zomvetsera m'makutu pamalo ozizira, ouma kutali ndi kuwala kwa dzuwa komanso kutentha kwambiri.
- Avoid placing heavy objects on the headset.
- Ngati ikusungidwa kwa nthawi yayitali, chajitsani batri kufika pa 50% kuti ikule nthawi yayitali.
Kusamalira Battery
- Pewani kuthimitsa batire pafupipafupi.
- Osayika batire pakutentha kwambiri kapena kuzizira kwambiri.
- If the headset will not be used for a long time, charge it periodically (e.g., every 3 months) to maintain battery health.
Kusaka zolakwika
Palibe Phokoso / Voliyumu Yotsika
- Ensure the headset is powered on and properly connected (2.4GHz dongle, Bluetooth paired, or 3.5mm cable securely plugged in).
- Yang'anani kuchuluka kwa voliyumu pa mahedifoni ndi chipangizo chanu cholumikizidwa.
- Tsimikizirani kuti chipangizo cholondola chotulutsa mawu chasankhidwa pazokonda zapachipangizo chanu.
- If using 2.4GHz wireless, ensure the dongle is recognized by your device.
Maikolofoni Sakugwira Ntchito
- Ensure the microphone is not muted (click Volume - button).
- Check that the microphone is properly positioned.
- Verify that the correct input device is selected in your device's sound settings.
- Yesani maikolofoni ndi pulogalamu ina kapena chipangizo china.
Nkhani Zolumikizana
- 2.4GHz Wopanda zingwe: Ensure the dongle is firmly inserted and the headset is in 2.4GHz mode. Try a different USB port.
- Bulutufi: Ensure Bluetooth is enabled on your device and the headset is in pairing mode. Forget the device in your Bluetooth settings and re-pair.
- Move closer to your device to ensure you are within the accessible connection range (up to 49ft for 2.4GHz).
Zofotokozera

Internal components highlighting the 40mm Neodymium Magnet Driver and ear cushion design.
| Mbali | Kufotokozera |
|---|---|
| Chitsanzo | GS400 ULTRA |
| Spika Diameter | 40 mm |
| Kusokoneza | 32Ω ± 15% |
| Kumverera | 105dB ± 3dB |
| Nthawi zambiri | 15Hz-20KHz |
| LED yogwira ntchito Voltage | DC5V ±5% |
| Ntchito Panopo | ≤200mA |
| Headset Jack | USB + 3.5mm 4Pin |
| Mphamvu ya Battery | 1000mAh |
| Mtundu wa Bluetooth | 5.3 |
| Mtundu Wopanda Waya | Bluetooth, RF (2.4GHz) |
| Impedans Range | mpaka 32 Ω |
| Pads Zomverera Zomvera | Chikopa chopangira |
| Kulemera | 395g pa |
| Mawonekedwe | With microphone, Volume Control |
| Zitsimikizo | CE, RoHS |

2.4GHz wireless connectivity features, including low latency (≤20ms) and range (≤49ft).

Microphone noise cancellation capabilities, reducing background noise for clearer communication.
Malangizo Ogwiritsa Ntchito
- Konzani Moyo Wa Battery: If you need longer gaming sessions, remember to double-click the Volume + button to turn off the RGB lighting. This can extend your battery life from 15-20 hours to 35-40 hours.
- Low Latency for Gaming: For critical gaming where every millisecond counts, always prioritize the 2.4GHz wireless connection using the USB dongle. It offers a delay of ≤20ms, providing a highly responsive experience.
- Microphone Clarity: Position the noise-canceling microphone close to your mouth for the best voice capture and to maximize its effectiveness in reducing background noise.
- Kusintha kwa Comfort: Tengani advantage of the adjustable headband and plush ear cushions for extended comfort during long gaming sessions.
Chitsimikizo ndi Thandizo
The ammtoo GS400 ULTRA Wireless Gaming Headset comes with a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or warranty inquiries, please contact your retailer or the manufacturer's customer service. Contact details can typically be found on the product packaging or the official brand webmalo.





