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Compact steel 8-channel mixer with USB-C port and volume knobs

Rockville LINE8 USB 8-Channel Audio Mixer

SKU CH-8GCW-AKQFP

Eight-channel mic/line mixer with 16-bit/48kHz USB-C recording, mono/stereo routing, per-channel volume, and headphone monitoring in a steel chassis

  • Specification, Rockville, , , , Count, 1, TRS, 2.23 pounds, LINE8 USB, ,
  • Power SupplyCorded Electric
  • Dimension7.1 L x 8.1 W x 5.2 H inches
  • Weight2.23 pounds
  • Ultra-low noise floor of 40Vrms and -100.2dBA SNR for clean audio
  • 8 configurable channels as mono or 4 stereo pairs with individual volume controls
  • Built-in 16-bit 48kHz USB-C interface for direct computer recording
  • Rugged steel chassis measuring 5.9 x 5.2 x 2.5 inches weighing 1.65 lbs
  • Dedicated headphone output with volume control and clip LEDs for precise monitoring

Compact 8-Channel USB Mixer

The Rockville LINE8 USB is an 8-channel mic/line mixer with a built-in USB-C recording interface. It handles eight mono inputs or four stereo pairs with individual volume controls per channel. A stereo master output and dedicated headphone output provide monitoring flexibility. The steel chassis measures 7.1 by 8.1 by 5.2 inches and weighs 2.23 pounds.

Check Inputs and Power Before Use

Verify your microphones or line sources use 1/4-inch connectors to match the eight input jacks. Confirm your speakers or PA accept dual 1/4-inch TRS outputs for the master signal. The unit requires corded electric power via the included 5V adapter or a USB-C source. Ensure your computer has a USB-C port for the 16-bit 48kHz stereo recording interface.

Sustained Low-Noise Operation

Ultra-low noise floor at 40Vrms and a signal-to-noise ratio of -100.2dBA keep background hiss minimal during long sessions. Total harmonic distortion plus noise stays below 0.005% across the 4Hz to 80kHz frequency range. Clip LEDs on every channel give instant visual warning if levels rise during extended recording or live use.

Highlights

  • Ultra-low noise floor of 40Vrms and -100.2dBA SNR for clean audio
  • 8 configurable channels as mono or 4 stereo pairs with individual volume controls
  • Built-in 16-bit 48kHz USB-C interface for direct computer recording
  • Rugged steel chassis measuring 5.9 x 5.2 x 2.5 inches weighing 1.65 lbs
  • Dedicated headphone output with volume control and clip LEDs for precise monitoring

Specifications

BrandRockville
Part NumberLINE8 USB
Specification, Rockville, , , , Count, 1, TRS, 2.23 pounds, LINE8 USB, , 52161500, Rockville, LINE8 USB, unit, 7.1 L x 8.1 W x 5.2 H inches, 1, Corded Electric, , false, 8, 2.23 pounds, 1 year manufacturer., 1, , , , 7.1 inches, 8.1 inches, 5.2 inches, 7.1 L x 8.1 W x 5.2 H inches, 2025-05-07T17:51:25.079Z, not_applicable,
Power SupplyCorded Electric
Dimension7.1 L x 8.1 W x 5.2 H inches
Weight2.23 pounds

Questions about this item

Does the LINE8 USB come with the 5V power adapter and USB-C cable, or do I need to buy them separately?

The mixer ships with a 5V power adapter and USB-C cable included, so you can power it and connect to a computer without extra purchases.

Should I choose the 8 mono channels or the 4 stereo pairs for a four-person podcast with individual microphones?

Use the 8 mono channels — each of the four mics plugs into its own 1/4″ input on A1–A4 or B1–B4, giving independent gain and volume control per person.

What does the 16-bit 48kHz USB-C interface mean for the audio I record into my DAW?

The built-in interface captures the stereo master bus at 16-bit depth and 48 kHz sample rate, delivering CD-quality digital audio directly to recording software with no extra hardware.

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