Logitech G635 Repair

The Logitech G635 is a wired LIGHTSYNC gaming headset designed to deliver immersive audio with customizable RGB lighting. It uses Logitech Pro-G 50 mm drivers and DTS Headphone:X 2.0 to create virtual 7.1 surround sound on PC, and is fully configurable through Logitech G HUB. The headset is constructed with durable materials for long-term use and includes a detachable boom microphone and multi-platform connectivity (USB and 3.5 mm). Key features include LIGHTSYNC RGB, Pro‑G drivers, and on‑device controls for mute and volume.

The Logitech G635 can be identified by the model number (M/N A-00081). The model label is on the headset housing (under the headband or inside an earcup). This label lists the model (M/N), part (P/N), and serial (S/N) numbers.

• Model / SKU: G635 (Part Number / SKU: 981-000750)
• Driver: Pro‑G 50 mm drivers (Logitech Pro‑G)
• Surround / DSP: DTS Headphone:X 2.0 (virtual 7.1 surround on PC via USB + Logitech G HUB)
• Frequency Response (Headphones): 20 Hz – 20 kHz
• Impedance: 39 Ω (passive), 5 kΩ (active)
• Sensitivity: 93 dB SPL/mW
• Microphone: Detachable boom mic, cardioid (unidirectional), 6 mm element; frequency response 100 Hz – 10 kHz
• Connectivity: USB 2.0 (PC for DTS/G HUB features) and 3.5 mm analog (consoles/mobile); PC cable length 2.8 m, mobile cable length 1.5 m
• Dimensions & Weight: Height 188 mm, Width 195 mm, Depth 87 mm; Weight (no cable) 344 g
• Compatibility: Windows 7/8/10 (64-bit for full G HUB support), Mac, PlayStation 4/5, Xbox One (3.5 mm), Nintendo Switch, tablets and mobile devices via 3.5 mm
• Warranty: 2‑Year Limited Hardware Warranty (regional terms may vary)

Common repair-relevant faults include no audio or mic failure often caused by cable damage, connector failure, or software/driver issues. Diagnose by testing both USB and 3.5 mm connections, trying another device/port, inspecting cables and connectors for visible damage, and reinstalling/updating Logitech G HUB to verify DTS and device firmware functions.

For additional troubleshooting help, visit: https://support.logi.com/hc/en-us/articl...

2‑Year Limited Hardware Warranty — file a warranty claim via Logitech Support; terms vary by region.

• https://www.logitechg.com/en-sa/products...
• https://support.logi.com/hc/en-us/articl...