Allen & Heath Qu-SB Portable Digital Mixer vs Allen & Heath Xone:43 4+1-Channel Analog DJ: Spec Comparison
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You are comparing the allen heath qu sb portable digital mixer vs xone 43 4 1 channel analog. Both units come from Allen & Heath and offer robust audio processing for live or studio use. The main difference lies in their architecture. The Qu-SB is a portable digital mixer with extensive routing and USB connectivity. The Xone:43 is a dedicated analog DJ mixer focused on tactile control and filter performance.
Key differences
| Aspect | Allen & Heath Qu-SB Portable Digital Mixer | Allen & Heath Xone:43 4+1-Channel Analog DJ Mixer |
|---|---|---|
| Mixer Type | Digital | Analog |
| Channel Count | 16 mono inputs, 1 stereo input | 4+1-Channel |
| Form Factor | Portable | Desktop |
| USB Audio Interface | 32 x 32 | not listed |
| Built-In Effects | 4 FX engines, ilive FX library | Send and Return connections for external FX |
Which one should you choose?
Choose Allen & Heath Qu-SB Portable Digital Mixer if
- You need a portable digital mixer with extensive input and output routing options.
- You require a 32 x 32 USB audio interface for multitrack recording.
- You want to control the mixer wirelessly via an iPad or remote device.
Choose Allen & Heath Xone:43 4+1-Channel Analog DJ Mixer if
- You prefer the tactile workflow of a dedicated analog DJ mixer.
- You want integrated voltage controlled filter (VCF) systems with resonance control.
- You need dedicated booth and record outputs for live performance.
Verdict: The Qu-SB suits users who need a versatile digital system with high channel count and USB integration. The Xone:43 is better for DJs who prioritize analog sound character and hands-on filter control. Choose based on whether you need digital routing flexibility or analog tactile response.
Qu-SB Digital vs Xone:43 Analog
System Type
The Qu-SB is a digital mixer. It uses a Qu-32 core to handle complex routing and processing. This architecture supports remote control via iPad and offers extensive internal effects. The Xone:43 is an analog DJ mixer. It relies on traditional circuitry for signal path. You get a pure analog sound without digital conversion latency. The choice depends on whether you need digital flexibility or analog warmth. One is built for modern digital workflows, while the other suits classic DJ techniques.
Channel Count
The Qu-SB offers 16 mono inputs and one stereo input. It also provides 12 on-board mix outputs and a stereo matrix out. This allows for extensive monitoring and multi-track recording. The Xone:43 features 4+1 channels. It is designed for standard DJ setups with four decks and a microphone. The Qu-SB has significantly more inputs and outputs. It is better for live sound or complex studio sessions. The Xone:43 is sufficient for typical club DJ performances.
Connectivity
The Qu-SB includes a 32 x 32 USB audio interface. It also has a DSnake remote audio port for expansion up to 38 inputs. This allows for large-scale system growth. The Xone:43 features send and return connections for external effects. It includes dedicated booth and record outputs. It is also Innofader compatible. The Qu-SB offers superior digital connectivity and expansion options. The Xone:43 provides essential analog connections for traditional DJ gear.
Form Factor
The Qu-SB is a portable digital mixer. It measures 21.7 inches in width and weighs 12 pounds. It is designed to be compact for transport. The Xone:43 is a compact analog DJ mixer. It measures 12.6 inches in width and weighs 11.2 pounds. It is smaller and lighter than the Qu-SB. The Xone:43 is easier to fit in a standard bag. The Qu-SB is larger due to its digital components and I/O count.
Effects
The Qu-SB has four FX engines and the ilive FX library. You can use four FX sends and returns. It also supports Qu-drive multitrack recording. The Xone:43 does not have built-in digital effects. It includes an Xone Voltage Controlled Filter system with high-pass and low-pass filters. You can integrate external FX units via send and return. The Qu-SB offers more internal processing power. The Xone:43 relies on external hardware for effects.
Which Allen & Heath Mixer Fits You
Users needing extensive routing and recording options
The Qu-SB features a 32 x 32 USB audio interface for multitrack recording. It includes 18 inputs and 14 outputs for complex setups. You get four internal FX engines and up to 11 monitor mixes. This digital mixer supports remote control via iPad, offering precise channel control and recallable preamp settings for professional live or studio applications.
DJ seeking classic analog filter sound
The Xone:43 is a 4+1-channel analog mixer with a dedicated Voltage Controlled Filter system. It provides high-pass and low-pass filters with resonance control. You can integrate external effects using send and return connections with individual dry/wet levels. It includes dedicated booth and record outputs, making it ideal for traditional DJ performance workflows.
Live sound engineer requiring portability
The Qu-SB weighs 12 pounds and measures 21.7 inches wide. It houses a Qu-32 core inside for robust processing. You can expand inputs using the dsnake remote audio port. The unit supports direct multitrack recording on USB drives. Its compact form factor and extensive I/O make it a practical choice for touring musicians and live sound technicians who need reliable digital control.
Compact setup enthusiasts
The Xone:43 is smaller and lighter than the Qu-SB. It weighs 11.2 pounds and measures 12.6 inches wide. Its analog architecture delivers a straightforward signal path without digital latency. You benefit from Innofader compatibility for scratch performance. This mixer fits easily into smaller DJ booths while providing the classic Xone tone and hands-on filter control that many DJs prefer.
The products compared
Allen & Heath Qu-SB Portable Digital Mixer
Best for: portable digital setups with iPad
- Mixer Type
- Digital
- USB Audio Interface
- 32 x 32 USB Audio Interface
- Built-In Effects
- 4 FX engines, ilive FX library
- Form Factor
- Portable
- Dimensions
- 10.6 × 21.7 × 10.6 inches
- Weight
- 12 pounds
View on Amazon: Allen & Heath Qu-SB Portable Digital Mixer Affiliate link
The Allen & Heath QU-SB is a compact digital mixer with a Qu-32 core. It offers 16 mono and 1 stereo inputs, plus 12 onboard mix outputs. You get 32x32 USB audio interface capabilities and direct multitrack recording via USB drives. The unit weighs 12 pounds and measures 21.7 inches wide. It is designed for portable use with remote wireless control.
Pros
- Qu-32 core processing power
- 16 mono and 1 stereo inputs
- 32x32 USB audio interface
- Direct multitrack recording on USB
Cons
- Requires iPad for control
- Heavy at 12 pounds
- Large footprint at 21.7 inches wide
Good fit if
- You need extensive input count
- You want direct USB recording
- You use iPad for control
Skip if
- You prefer analog operation
- You need a lightweight unit
- You want a smaller footprint
Verdict: The Allen & Heath QU-SB Portable Digital Mixer suits users needing high channel counts and digital flexibility. It is ideal for portable setups where iPad control is acceptable.
Allen & Heath Xone:43 4+1-Channel Analog DJ Mixer
Best for: Analog filter control and external FX
- Channel Count
- 4+1-Channel
- Mixer Type
- Analog DJ Mixer
- Auxiliary Sends
- Send and Return connections
- Dimensions
- 14.6 × 12.6 × 4.3 inches
- Weight
- 11.2 pounds
View on Amazon: Allen & Heath Xone:43 4+1-Channel Analog DJ Mixer Affiliate link
The Allen & Heath Xone:43 is a 4+1-channel analog DJ mixer. It features a Voltage Controlled Filter system with resonance control. You get send and return connections for external effects. The unit includes dedicated booth and record outputs. It measures 14.6 by 12.6 inches and weighs 11.2 pounds. This mixer suits DJs who prefer tactile analog control over digital processing.
Pros
- High-performance analog 4+1-channel design
- Xone Voltage Controlled Filter with resonance control
- Send and return connections for external FX
- Dedicated booth and record outputs
Cons
- Analog architecture limits digital integration
- Innofader sold separately
- No built-in digital effects engine
Good fit if
- You want tactile analog filter control
- You use external effects units
- You need dedicated booth outputs
Skip if
- You require built-in digital effects
- You need USB connectivity
- You want a compact portable design
Verdict: The Allen & Heath Xone:43 Analog Mixer delivers precise analog filtering for DJs who value hands-on control and external effect integration.
Specifications side by side
| Spec | Allen & Heath Qu-SB Portable Digital Mixer | Allen & Heath Xone:43 4+1-Channel Analog DJ Mixer |
|---|---|---|
| Channel Count | not stated | 4+1-Channel |
| Mixer Type | Digital | Analog DJ Mixer |
| USB Audio Interface | 32 x 32 USB Audio Interface | not stated |
| Built-In Effects | 4 FX engines, ilive FX library | not stated |
| Auxiliary Sends | not stated | Send and Return connections |
| Form Factor | Portable | not stated |
| Dimensions | 10.6 × 21.7 × 10.6 inches | 14.6 × 12.6 × 4.3 inches |
| Weight | 12 pounds | 11.2 pounds |
| Model | AH-QU-SB | AH-XONE:43 |
Frequently asked questions
Which Allen & Heath mixer is smaller?
The Allen & Heath Xone:43 is the more compact unit. It measures 12.6 inches wide and weighs 11.2 pounds. The Qu-SB is larger at 21.7 inches wide and weighs 12 pounds. You should choose the Xone:43 if rack space or portability is a priority for your setup.
Does the Qu-SB support iPad control?
Yes, the Qu-SB is designed for portable digital setups with iPad control. It uses a Qu-32 core that allows for remote operation. This feature makes it ideal for users who need to manage complex routing and settings from a tablet device during live performances or studio sessions.
What type of mixer is the Xone:43?
The Xone:43 is an analog DJ mixer. It provides precise analog filtering for DJs who prefer traditional signal paths. Unlike the digital Qu-SB, it focuses on external effect integration and hands-on control. This makes it suitable for club environments where reliable analog processing is preferred.
How many inputs does the Qu-SB have?
The Qu-SB includes 18 inputs for connecting various audio sources. It also offers 14 outputs for complex routing options. This high channel count allows you to connect multiple microphones and instruments simultaneously, making it a robust choice for live sound reinforcement or multi-track recording applications.
Can I use the Xone:43 for external effects?
Yes, the Xone:43 is optimized for external effect integration. Its analog architecture allows you to send signals to outboard gear. This setup gives you precise control over sound manipulation without relying on internal digital processors. It is a strong option for DJs who want to use their own effect units.
Is the Qu-SB heavy to transport?
The Qu-SB weighs 12 pounds, which is slightly heavier than the Xone:43. Its dimensions are 21.7 inches wide by 10.6 inches high and deep. While it is portable, you will need adequate space for its larger footprint. Consider your transport needs when deciding between the two units.
Which mixer has more internal effects?
The Qu-SB features four internal FX engines. These digital processors handle complex routing and processing tasks automatically. The Xone:43 is an analog unit and does not include internal digital effects. You must use external hardware if you want to add effects to your signal chain with the Xone:43.

