Choose a compact two-mic-input USB interface if you want to record vocals and an acoustic guitar with separate microphones. A small USB mixer makes more sense when physical controls or loopback are part of your workflow; a multitrack mixer is for recording several sources independently. None of these devices stops traffic, neighbours or room reflections from reaching the microphone, so placement and recording conditions still matter.
If traffic, neighbours, fans or reflections are audible during a take, consider microphone placement and quieter recording times alongside your choice of device. As Shure notes, a microphone cannot distinguish wanted sound from unwanted sound by itself.
If you want vocals and acoustic guitar in the same take, decide whether the guitar needs its own microphone or can connect through a pickup. Those setups call for different input arrangements.
If you also stream or bring computer or phone audio into a demo, physical controls and loopback may matter more to you than a recording-focused interface layout.
Choose the inputs for the way you will record vocal and guitar, then decide whether you need live routing or separately editable tracks.
| Concern | Buying check | Who this matters to |
|---|---|---|
| Noise reaching the microphone | Check the microphone input, headphone monitoring and any phantom power your chosen mic requires. Plan placement and a quieter recording time; mixer effects cannot stop room sound entering the mic. | When traffic or neighbours are audible, I want to limit what reaches the microphone before adjusting mixer controls. Around 36% of consumers put unwanted sound first. |
| Vocal and guitar together | Count the microphone inputs if both sources will be miked. For a guitar with a pickup, check for a suitable Hi-Z instrument input instead. | I want to keep vocal and guitar as separate sources in the same take, so the connections must suit my recording method. Around 29% of consumers prioritise simultaneous tracking. |
| Hands-on routing | Check which physical controls you need and whether loopback and your intended computer or phone connection suit your workflow. | While making a demo or stream, I want to adjust a live mix and bring in audio from another device. Around 21% of consumers place hands-on routing first. |
| Independent tracks | Confirm how many microphone sources and separate tracks the device records, and whether its recording medium and headphone outputs fit your sessions. | If collaborators join me, I want their parts available separately for later editing rather than committed to one mix. Around 14% of consumers make multitrack expansion their primary concern. |
Traffic, fans and reflections can reach the microphone before the mixer receives the signal. Shure cautions that microphones cannot distinguish wanted from unwanted sound on their own.
Try a quieter time, closer microphone placement and an orientation that reduces pickup of the noise where practical. Headphones and soft furnishings can also help you manage the recording space.
Yamaha lists a phantom-powered microphone channel and a separate Hi-Z guitar input on the AG03MK2. Focusrite lists two microphone inputs on the Scarlett 2i2 4th Gen. These layouts suit different vocal-and-guitar connections.
List every source you will connect at once, then match each microphone or pickup to a suitable input before ordering.
Yamaha specifies two-track USB recording and playback with loopback for the AG03MK2; Zoom describes separate-track SD-card recording for the LiveTrak L-8. A stereo mix gives you less scope to rebalance sources afterwards.
If you need to edit vocal and guitar independently, confirm the device's separate-track recording capability rather than relying on the term USB mixer.
Power and connection requirements vary. Yamaha states that using the AG03MK2 with iOS through an Apple Camera Adapter requires external USB power.
Check your exact host device, port, adapter and power arrangement against the manufacturer's instructions.
A phone recording setup may also require a compatible adapter and external power.
The Scarlett 2i2 4th Gen is a recording-focused, two-input USB interface rather than a physical mixer.
The AG03MK2 is a small USB mixer aimed at hands-on control and live audio routing.
The LiveTrak L-8 is a multitrack mixer/recorder for sessions needing several sources or separate recordings.
No: changing the mixer cannot stop sound that reaches the microphone. Shure notes that a mic cannot distinguish wanted from unwanted sound by itself. Try recording at a quieter time, positioning the mic closer to the intended source and reducing reflections; a noise gate cannot cleanly remove noise underneath a vocal or guitar performance.
A dynamic microphone is worth considering when background noise is a major concern; RØDE suggests it may be a better choice in noisier environments. Your placement and the room still matter. If you choose a condenser that requires phantom power, check that the intended mixer or interface supplies it.
You need two microphone-capable inputs if you will mic the vocal and guitar separately at the same time. For a guitar with a pickup, one mic input plus a suitable Hi-Z instrument input may fit instead. Focusrite lists two mic inputs on the Scarlett 2i2 4th Gen; Yamaha lists one phantom-powered mic channel and a Hi-Z guitar input on the AG03MK2.
Check the specific device and connection before buying. Focusrite lists an optional 5 V DC power input for the Scarlett 2i2 4th Gen if a computer cannot provide the required USB power. Yamaha says AG03MK2 use with iOS through an Apple Camera Adapter requires external USB power.
Check an appropriate local authority or retailer recycling route for the old electrical device. GOV.UK identifies the Waste Electrical and Electronic Equipment Regulations 2013, as amended, as the underpinning UK legislation; the available route will depend on your location and the service you use.