Desktop Microphone KRUX Esper 1000

The KRUX Esper 1000 is a table microphone designed for clear voice capture in desktop environments. It delivers a frequency response of 20–20000 Hz and records at a 16-bit bit rate. The microphone uses wired USB connectivity with both Type-A and Type-C compatibility, housed in a black metal enclosure with button controls. Its compact footprint (50 mm width, 45 mm depth, 180 mm height) and USB-powered operation make it suitable for use with a range of computers and devices that accept USB audio input.

Advantages

The KRUX Esper 1000 offers a wide frequency range and 16-bit resolution for reliable voice reproduction. Wired USB connectivity ensures stable data transfer and broad compatibility with systems that support USB audio. The metal housing provides physical durability while maintaining a compact design for limited desk space. Integrated button controls simplify operation without the need for additional software. Inclusion of both USB Type-A and Type-C connectors increases compatibility with modern and legacy hosts.

Suitable for

• Voice calls and video conferencing on desktop or laptop computers
• Podcasting and streaming where a compact table microphone is required
• Online teaching, webinars and remote work setups
• Recording voice notes or interviews in a stationary environment

Key specifications

• Frequency response: 20–20000 Hz
• Bit rate: 16-bit
• Connectivity: Wired USB
• Device interface: USB Type-A and Type-C compatible
• Housing material and colour: Black metal
• Power: USB-powered (built-in USB battery)
• Dimensions (W × D × H): 50 mm × 45 mm × 180 mm

How to use

Connect the KRUX Esper 1000 to a computer or compatible device using the supplied USB connector (Type-A or Type-C depending on the host). Select the microphone as the input device in the operating system or application audio settings. Adjust the button controls on the microphone to set the desired input state. The microphone is powered via USB and does not require an external power adapter; ensure the host provides sufficient USB power. Place the microphone on a stable surface with the capsule oriented toward the speaker for optimal voice capture.

Recommendations

For best results, position the microphone 10–30 cm from the speaker’s mouth, avoid obstructing the capsule, and minimize reflective surfaces directly behind the microphone. Use the appropriate USB connector for your device and confirm the input selection in software before recording or streaming.