Review: IK Multimedia’s iRig Pre
IK Multimedia is about to launch the iRig Pre (announced at the beginning of the year), joining the iRig, iRig Stomp, iRig Mic & Mic Cast, iRig Midi and iRig Mix as its lineup of music making accessories for iOS devices.
The iRig Pre is a mic preamp with built-in phantom power (48v) and gain control, allowing you to plug in any dynamic or condenser microphone with an XLR connector to your iPhone or iPad. This means you’re no longer limited to passive microphones when recording with your iOS device. Basically, with the iRig Pre, you can plug high-quality mics into your iDevice.
This is certainly not the first preamp interface for iOS devices, but with IK Multimedia’s high profile in the mobile music making market, it’s certainly one that will reach the masses with its low price point at US$29.99. However, the foremost question is whether it sounds any good. What can you expect from a $29.99 preamp? You can use the best mic in the world, but if the preamp is no good, there’s just no point.
So, how does the iRig Pre shape up? Well, for starters, the iRig Pre is very compact and easy to transport around. It houses a 9 volt battery inside of it (to power the iRig Pre itself and the additional 48v when required), has a basic on/off/+48v switch on the front and a gain control slider on the side.
Gallery: iRig Pre
A 9 volt battery is required to power the iRig Pre for 30 hours with dynamic microphones and 10 hours with condenser microphones using phantom power. There’s no external power supply here, but it’s unlikely you’d need one considereing the usage you get from a single battery and the type of recording you’re likely to do with this kind of accessory.
Output is a 40 cm (15.75″) TRRS cable to connect to your iOS device as well as a headphone output to monitor what’s coming directly out of the iRig Pre. Input is the XLR connector for a microphone. The specifics are as follows:
- Frequency response: from 20 Hz to 20 kHz +/- 1.5dB
- Noise: -98 dB fullband, phantom power ON
- Maximum output level: 2 Vrms
- Distortion: 0.025% THD
Like many of IK’s iRig accessories, the quality of build is not what you would call high-spec, but it’s sturdy enough in its own plastic way. It’s not going to break in normal use, but if you were to drop it or get it squashed between two sturdier items, it feels like it’s going to come out worse for wear.
I tested the iRg Pre with my Rode NT2000 condenser microphone through my iPhone using my Ultimate Ears headphones for monitoring. The first thing I noticed when I plugged the mic in and turned on the preamp was that there was a subtle, but definite and consistent hiss on the iRig Pre. With the gain on full, it was much more noticeable, but pulling the gain down a few notches did make it come down, although I couldn’t create a situation where I could eradicate it. The hiss isn’t overbearing, but if you’re recording, it’s always going to be there. And that’s not what you want.
I did a comparison test with my desktop audio interface just to make sure my NT2000 wasn’t playing up, but it wasn’t. The NT2000 was hiss free through my desktop interface. Just like a good mic should be! However, my audio interface does cost significantly more than the iRig Pre.
Aside from the hiss, the iRig Pre did its job of powering the mic. I did a few test recordings using IK’s Recorder app and then compared those with the iPhone’s built in mic using the same app. It was surprising just how well the iPhone’s built-in mic stood up to the NT2000 using the iRig Pre, but there was no doubt about it, the NT2000 had a fuller and more detailed sound. However, comparing those tests to the NT2000 through my desktop audio interface revealed that sound was significantly clearer, fuller and quieter, as you’d expect.
From there, I decided to see whether using a different app to record would yield different results. Using the iPhone’s Voice Memos app, I couldn’t get a monitoring signal. It would record audio, but not send a signal to my headphones for monitoring. However, using GarageBand with the monitoring turned on in the track settings gave me a monitor signal. Which is a relief because you can obviusly do so much more with GarageBand than with IK’s Recorder app, or even IK’s VocaLive.
By this point my ears may have begun to tire, but to me it sounded like the quality of the recording was better in GarageBand than in IK’s Record app. I can’t see how this can be unless it’s all down to the programming of the apps. That, or my ears simply got tired.
At the end of the day, is the iRig Pre worth investing in, even at its low price point? Well, there is that hiss to contend with. If there was no noise from the iRig Pre, in many ways it would be a no brainer. But unfortunately, on my unit anyway, it was there. And even if you’re just doing podcasts or demo recordings, it will detract from the result. Furthermore, what’s the point of buying an expensive mic for more clarity and detail only to have that sound tainted by hiss. That takes me to my original point: you can have the best mic in the world, but if the preamp is no good there’s just no point.
To sum up, I’d say the iRig Pre is worth getting if you happen to have a decent mic already, and your only form of recording is through an iOS device. At $29.99, you can’t really go wrong.
However, if you’ve got an iDevice, but you haven’t got a mic already, you’re probably better off looking at a mic and preamp in one, like the Blue Mikey, Tascam IM2 or even the iRig Mic Cast or iRig Mic.
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