iSK CRU-1 USB Studio Condenser Microphone - Recording PC Mic

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The iSK CRU-1 USB Studio Condenser Microphone enables you to professionally record vocals and instruments to any PC or MAC computer with the ease of a USB connection.

iSK CRU-1 USB Condenser
This Studio Condenser Microphone features an onboard high quality Analog-to-Digital converter and USB output, enabling you to professionally record vocals and instruments to any computer with the ease of a USB connection. Plug and play functionality means you simply plug in the cable and your recording software will be ready to record!

Compatible with iPhone and iPad's!
The CRU-1 can be plugged into any iPad or iPhone 4, via a "Camera Connection Kit" piece that allows connection of a standard USB plug. Tested to ensure compatibility. Enjoy the flexibility of recording professional audio on the move.

Vocals and More
The large diaphragm and frequency response on the CRU-1 is ideal for recording vocals. It will also record instruments and other sounds with great authenticity across the full spectrum, EQ tweaking on the computer will help fine tune the desired sound.

Professional Quality
With a gold-plate diaphragm capsule, exacting FET, low self-noise, high output and authentic reproduction of sound, the CRU-1 is built to professional standards and is perfect for many recording/performance situations.

Item Includes:
- 1x microphone
- 1x shock mount
- 1x mic case
- 1x carry case
- 1x USB cable - 3m


  • USB connection
  • Uni-Directional Pick Up Pattern
  • Connect to your favourite DAW (Digital Audio Workstation)


  • Type: Large Diaphragm Condenser
  • Element: Back Electret Condenser
  • Frequency Response: 20hz - 18khz
  • Sampling Rate: 44.1 kHz or 48 kHz
  • Polar Pattern: uni
  • Diaphragm Thickness: 2-microns
  • USB Cable Length: 3m

Recording Samples:


View PDF brochure for iSK CRU-1 USB Studio Condenser Microphone - Recording PC Mic

Generally a good microphone, Linux ALSA support is

By: on 6 April 2020
Seems to work fine on Windows, but on my LInux machine, the audio signal is weirdly panned depending on which app I use. - Discord desktop app picks up the mic fine, and transmits voice as a mono signal - Chromium / Chrome gets a quite low signal from the mic, and it is almost entirely to the left when gain sliders are locked - Audacity gets a straight signal on the left channel and a weirdly muted copy of the signal on the right when stereo input is selected. - Audacity happily reads it as a mono input, which gives a very clear signal. - OBS Studio also sees it as a mono signal which can be panned to wherever you want. - Getting it configured under Jack 2 was a bit of a struggle, but it gave excellent clear signals once Jack2 was configured, and I could remap the left channel across to both channels easily. I could not get PulseAudio to accept the Jack 2 input in order to make it available to desktop apps. Trying to adjust the gain sliders for left and right channels separately gives very strange results. Dropping the right channel gain to minus infinity to completely mute it also mutes the left channel. Raising the gain on the right channel to bring the two channels to the same level gives a fairly quiet signal, slightly distorted on the right channel. There is no way to get a strong signal on just the left channel, and I have not been able to make the signal mono generally in ALSA / PulseAudio. I wouldn't recommend this for general computing use on Linux, though it seems fine for recording audio in Audacity and most streaming purposes.
By: on 22 April 2015
I am not an expert but I wanted a microphone to produce amateur audiobooks. I have installed this microphone and am very pleased with the sound. I had some difficulties with Windows 8 and Realtek (mic signal too weak) but after a lot of clicking around it came out fine with plenty of volume and a very natural sound. I am not quite sure what I did but I disconnected another USB mic and cancelled some options giving other programs control over the mic. I am using WavePad and find that very good.

iSK CRU-1 Review

By: on 2 October 2014
Great mic!
By: on 5 May 2013
Excellent quality mic for the price. It's particularly good for demo-ing and getting those ideas down quickly. It has a lovely warm sound and can handle highs and lows with ease.
By: on 1 April 2013
I was in half a mind to buy a condenser microphone looking through the Swamp site, they had the iSK CRU-1 on extra Christmas special. It pays to keep an eye out with Swamp. I wanted a condenser microphone for voice-over and direct voice for product videos I am am doing for Utube. I use Audacity also as recording software. The quality of a large diaphragm is instantly recognizable compared to some other dynamic microphones that I have used. The usb direct connection to my computer, for me is very good, it saves on peripheral gear. I don't need a lot of flexibility, just articulate voice sound. At the time or ordering the CRU microphone I ordered the desktop goose neck stand to be part my recording setup. The price was equally good. I did have an issue withe microphone stand, The people at Swamp fixed it up in a flash; they sent me a replacement ASAP. There are other reviews on this microphone at Swamp; yes basically I would agree with them; there is no other capacitor microphone available that can provide better performance for the dollars.

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