Debra DI-XU Pro 4-Channel Mixer with USB Audio Interface and 99 DSP Effects

Designed for home karaoke, live streaming, recording studios, and on‑the‑go productions, this portable Debra mixer combines a USB soundcard and audio interface with 99 DSP effects to shape professional‑quality sound in real time. This updated hardware version delivers improved sound quality and performance compared to earlier DI‑XU models, making it a versatile hub for music, podcasting, and broadcasting.

Key features at a glance

• USB soundcard and audio interface for recording to Mac or PC with universal digital audio file compatibility.
• 99 DSP scene effects cover a wide range of needs—from subtle room ambiance to bold vocal processing.
• Bluetooth wireless streaming with a 15‑foot range, enabling seamless input from iPhone, Android, iPad, tablet, or MP3 player to mix alongside other sources.
• LED indicators and intuitive rotary controls with input selection, master volume, independent channel balance, and high/low EQ.
• +48V phantom power for professional condenser mics, supplied with a 3‑pin power adapter cable.
• 12‑segment stereo output level meter (–30 to CLIP) for precise monitoring.
• 4‑channel mixer design with versatile connectivity options to suit various setups.
• MP3 playback/record via USB with MP3 format support (44.1 kHz, 128 kbps) and USB input/output for seamless playback and recording.

Connectivity and inputs/outputs

• Multiple inputs: 6 XLR & 1/4" microphone inputs for flexible mic routing.
• Output options: 1 pair 1/4" monitor outputs (L/R) and 1 XLR(L/R) stereo output.
• Additional connections: 6 XLR & 1/4" microphone inputs, a 1 pair 1/4" mono + stereo path, 1/4" FX send, and 1/4" headphone jack for monitoring and cueing.
• U disk/USB playback and recording: MP3 format support with 44.1 kHz sampling rate and 128 kbps bitrate.
• USB input/output for playback and recording, enabling straightforward integration with computer workflows.

Sound shaping and performance

• Phase, level, and overload indicators to help dial in levels and avoid distortion.
• 1 auxiliary send for external effects or routing flexibility.
• Direct 1/4" FX send and independent channel equalization: HIGH ±15 dB @ 12 kHz; MID ±15 dB @ 2.5 kHz; LOW ±15 dB @ 80 kHz (as specified).
• Powerful audio performance: Frequency response 20 Hz–30 kHz ±0/−1 dB; Distortion < 0.01% for clean, clear signal at all inputs.

DSP effects and use cases

The 99 DSP scene effects are organized into practical categories to suit diverse scenarios, including:

• Reverb (00–26)
• Early Ref/Delay (27–52)
• Echo (53–62)
• Tremolo (63–71)
• Wah-Wah (75–77)
• Radio Voice (78–80)
• Pitch Shifter (81–88)
• Distortion/Overdrive (89–94)
• Multi FX (95–99)

Who it’s for and how you’ll use it

Whether you’re a first‑time streamer, a singer performing from a living room stage, or a compact studio operator, the Debra DI‑XU pro mixer helps you go from signal to broadcast quickly. Use it to:

• Live‑stream or host a karaoke night with professional vocal processing and reliable USB recording.
• Record directly to a computer for podcasts, demos, or music projects with an integrated audio interface.
• Coordinate multiple inputs—microphones, instruments, Bluetooth‑fed media—into a single, clean mix with EQ and effects.