Edifier- K550

  EDIFIER HEADPHONES K550  

FEATURES

• Communication-oriented design

• Built for calls, meetings, and online lessons with voice clarity and mic adjustment.

• Large Driver for an Earwear Headset

• 30 mm neodymium dynamic driver gives stronger audio output than small-driver headsets.

• Inline Volume & Mute Controls

• Cable-mounted sliders let you instantly mute or adjust volume.

• Adjustable & Rotatable Microphone

• Mic boom can be rotated ~120°, allowing flexible positioning.

• Lightweight & Comfortable

• At ~89 g, it aims for minimal fatigue during extended use.

SPECIFICATIONS

• Driver: 30 mm neodymium dynamic driver

• Frequency Response: 20 Hz – 20 kHz

• Cable Length: 2.0 m

• Connection: 3.5 mm (4-pole audio + mic) with included splitter cable

• Weight: ~89 g

• Microphone: Adjustable / rotatable mic; inline mute / volume controls on cable

  EDIFIER HEADPHONES USB K815  

FEATURES

• Plug-and-play USB headset

• No drivers needed for many systems; ideal for education or remote work.

• Hearing-safe output levels

• Built-in sound pressure limiting to protect hearing during long sessions.

• Strong diaphragm & voice coil components

• Uses polymer diaphragms and “Daikoku wire” voice coils for reliable sound and clarity.

• Long & durable cable with shielding

• Cable built to resist interference and bending stresses, enhancing reliability.

• Comfortable design & adjustable mic

• Flexible headband and 120° rotating mic for good fit and voice pickup.

SPECIFICATIONS

• Frequency Response: 20 Hz – 20 kHz

• Impedance: 40 Ω

• Sound Pressure Level / Sensitivity: 91 ± 3 dB

• Microphone: Unidirectional mic, 120° rotatable boom

• Cable Length: 2.8 m

• Connection: USB Type-A

  EDIFIER HEADPHONES USB K810  

FEATURES

• Plug‑and‑play USB connectivity

• The USB K810 connects via USB‑A and includes a built‑in audio chipset (external sound card) to simplify setup and deliver improved clarity even on basic computers.

• Hearing‑safe volume limiting & enriched driver performance

• It features sound‑pressure limiting technology to protect hearing, and the voice coil uses Japanese Daikoku wire for enhanced detail and fidelity.

• Clear communication with uni‑directional microphone

• A boom microphone rotates up to 120° and uses a uni‑directional pickup pattern for clearer speech and reduced ambient noise — ideal for remote learning or voice calls.

• Comfort & durability for extended use

• The headset includes an adjustable headband, soft foam‑padded over‑ear cups to reduce pressure, and a 2.8 m durable cable to allow flexibility of movement.

SPECIFICATIONS

• Driver Size: 40 mm dynamic driver.

• Frequency Response: 20 Hz – 20 kHz.

• Impedance: 32 Ω nominal.

• Output Sound Pressure Level: 91 ± 3 dB SPL(A).

• Microphone Sensitivity: –38 dB ± 3 dB.

• Connection: USB‑A plug.

• Cable Length: 2.8 m.

• Weight: Approximately 213 g.