Asus ROG Delta II-KJP specifications and in-depth review

Asus ROG Delta II-KJP

Manufacturer: Asus

The Asus ROG Delta II-KJP is a gaming headset designed for immersive audio experiences. It features a detachable cable for flexibility and weighs 325g, offering comfort during extended gaming sessions.

With 50mm drivers and an impedance of 32 Ohms, the headset provides a broad frequency range of 20Hz to 20kHz. The battery lasts up to 140 hours and supports a rechargeable battery with a 3-hour charge time. Connectivity includes 3.5mm, 2.4GHz wireless, and Bluetooth, with a maximum Bluetooth range of 10 meters.

Pros
  • The headset supports both wireless and wired connections, offering flexibility in how it can be used.
  • The detachable cable provides convenience and allows for easy replacement if needed.
  • With a long-lasting 140-hour battery life, the headset is ideal for extended gaming sessions without frequent recharging.
Cons
  • The headset does not support active noise cancellation (ANC), limiting its ability to block out external noise.
  • It lacks advanced Bluetooth codec support, such as aptX or AAC, which may affect audio quality for Bluetooth users.
  • The headset does not include a travel bag, which may be inconvenient for portability and storage.
Who is this for?

The Asus ROG Delta II-KJP is ideal for gamers who prioritize long-lasting performance with its 140-hour battery life and the flexibility of wireless or wired connections. It is well-suited for extended gaming sessions on devices like PCs, PlayStation, or Nintendo Switch, offering comfort and convenience with its detachable cable and passive noise reduction.

Who is this NOT for?

This headset may not be the best choice for users seeking advanced audio features, as it lacks active noise cancellation (ANC) and surround sound support. Additionally, users who require high-quality Bluetooth audio may find its lack of support for aptX and AAC codecs limiting, especially in wireless gaming or streaming scenarios.

Design:

Fit Over-ear
has a detachable cable
weight 325 g
has RGB lighting
has an open-back design
has a tangle free cable
has stereo speakers

The Asus ROG Delta II-KJP is designed for comfort and convenience, featuring an over-ear fit that enhances sound isolation. The headset has a detachable cable and a tangle-free cable, providing flexibility and ease of use. Weighing 325g, it is lightweight for long gaming sessions, and the inclusion of RGB lighting adds a customizable visual element. It also supports stereo speakers, but it does not have an open-back design for soundstage enhancement.

Sound quality:

lowest frequency 20 Hz
highest frequency 20000 Hz
has active noise cancellation (ANC)
Surround sound None
supports spatial audio
driver unit size 50 mm
impedance 32 Ohms
has a neodymium magnet
has passive noise reduction
drivers count 2

The Asus ROG Delta II-KJP offers a wide frequency range from 20 Hz to 20,000 Hz, ensuring a detailed sound profile. It is equipped with 50mm drivers and has a 32 Ohm impedance, providing clear and accurate audio. Although it does not feature active noise cancellation (ANC), surround sound, or spatial audio, it offers passive noise reduction to block external noise for better listening clarity.

Microphone:

has a noise-canceling microphone
lowest mic frequency 100 Hz
highest mic frequency 10000 Hz
has a removable microphone
has a mute function
mic sensitivity -40dBV/Pa
number of microphones 1

The Asus ROG Delta II-KJP comes with a removable microphone that offers a frequency range from 100 Hz to 10,000 Hz, ensuring clear voice capture. While it does not feature a noise-canceling mic or a mute function, it provides good sensitivity at -40dBV/Pa with a single microphone for straightforward communication.

Power:

Battery life 140 hours
charge time 3 hours
battery power 1800 mAh
has a rechargeable battery
has a battery level indicator
has a removable battery

The Asus ROG Delta II-KJP features a long-lasting 140-hour battery life, supported by a 1800 mAh rechargeable battery. With a charge time of only 3 hours, it also includes a battery level indicator for monitoring power, but it does not have a removable battery for easy replacement.

Connectivity:

connectivity 3.5mm, 2.4GHz wireless, Bluetooth
compatibility PC, PlayStation, Nintendo Switch
Can be used wirelessly
Has USB Type-C
has aptX Adaptive
has aptX Low Latency
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX HD
has aptX
has Auracast
has AAC
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
has fast pairing

The Asus ROG Delta II-KJP offers versatile connectivity options, including 3.5mm, 2.4GHz wireless, and Bluetooth. It is compatible with a range of devices such as PC, PlayStation, and Nintendo Switch, and supports wireless use with a maximum Bluetooth range of 10 meters. Additionally, it includes USB Type-C for easy wired connection, but lacks support for advanced Bluetooth codecs like aptX or AAC.

Features:

release date January 2026
control panel placed on a device
can be used as a headset
has a vibration function
Has an in-line control panel
travel bag is included

The Asus ROG Delta II-KJP includes a control panel placed on a device for easy access to settings and adjustments. It can also be used as a headset for communication. However, it does not feature a vibration function, an in-line control panel, or a travel bag.

Final Verdict

The Asus ROG Delta II-KJP is a solid choice for gamers looking for a reliable, long-lasting headset with 140-hour battery life and versatile wireless and wired connectivity. Its detachable cable, passive noise reduction, and compatibility with multiple platforms make it a great option for extended gaming sessions. However, it may not meet the needs of those seeking advanced audio features like ANC or high-end Bluetooth codec support. Overall, it offers great value for gamers who prioritize convenience and endurance in a headset.