Headliner R4 Overview
House music, techno, and classic funk DJs who also enjoy spinning soul and disco jams will delight in the technical prowess and sleek design of the R4 4-Channel Rotary DJ Mixer from Headliner. The versatile rotary DJ mixer features three stereo channels with selectable Line and Phono RCA inputs and one stereo channel with selectable Line and Mic inputs. All channels feature gain and peak LEDs, a three-band isolator EQ, and an integrated, high-current headphone amplifier. A built-in analog filter boasts High-Pass and Low-Pass modes with frequency and resonance control and genuine ALPS potentiometers round out the many features on this feature-rich unit.
The R4 has independent Master and Booth outputs with balanced XLR and unbalanced RCA connectors for added flexibility when connecting to any sound system. There is also a headphone selector, a large channel volume control knob, and a filter activation switch with LED status indicators. Connect any type of headphones you desire via dual 1/4" and 3.5mm jacks and manipulate the headphone Cue section to control volume and to mix between Cue and Master listening modes or blend the two for executing seamless mixes from one track to another. The compact, high-quality unit features a classic look with a sturdy metal enclosure adorned with stained wood side panels.
At a Glance
- Three stereo channels with selectable Line and Phono RCA inputs and one channel with selectable stereo line and mono microphone
- Each channel features Gain control with Peak LED, 3-Band Isolator EQ, Headphones Cue selector with LED, channel volume control, and filter activation switch with LED
- Master channel features analog filter, headphone monitoring and output control section
- Analog filter features selectable High-Pass / Low-Pass Filter modes with Frequency and Resonance controls
- Genuine ALPS potentiometers
- Headphone Cue control section features headphones volume control, headphones mix control (Cue/Master), and split monitor switch
- High-current headphone amplifier with dual 1/4 and 3.5mm jacks
- Independent Master and Booth outputs with volume controls, balanced XLR outputs and unbalanced RCA outputs
- Additional Record output with unbalanced RCA jacks
- Dual LED level meters for the Master output
- Microphone input with level control on front panel
- Sturdy metal enclosure with stained wood side panels for a classic look
- Modular internal construction for superior audio performance
- External split rail power supply connected via locking Mini XLR connector
- Push-button power switch on rear panel
Headliner R4 Specs
Key Specs
| Configuration | 4-Deck |
| Number of Channels | 4x Stereo |
| Performance Controls | EQ, High-Pass Filter, Low-Pass Filter |
| Built-In Effects | No |
| Audio Inputs | 4x Stereo 2RCA Coaxial Line Input 3x Stereo 2RCA Coaxial Phono Input 1x Combo XLR-1/4" 3-Pin Mic Input |
| Audio Outputs | 1x 1/4" TRS Unbalanced Headphone Output 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output 1x Stereo 2RCA Coaxial Unbalanced Master Output 1x Stereo 2RCA Coaxial Unbalanced Record Output 1x Stereo 2RCA Coaxial Unbalanced Booth Output 2x XLR 3-Pin Balanced Master Output 2x XLR 3-Pin Balanced Booth Output |
| USB | No |
| Number of Channels | 4x Stereo |
| Platter/Jog Wheel | No |
| Faders | No |
| Meters | Channel Meter: 2x LED |
| Meter Range | +20 dBu Peak/Clip |
| Display | No |
| Sample Pads | No |
| EQ | 3x Channel EQ: Hi Mid Low |
| Performance Controls | EQ, High-Pass Filter, Low-Pass Filter |
| Built-In Effects | No |
Connectivity
| Audio Inputs | 4x Stereo 2RCA Coaxial Line Input 3x Stereo 2RCA Coaxial Phono Input 1x Combo XLR-1/4" 3-Pin Mic Input |
| Audio Outputs | 1x 1/4" TRS Unbalanced Headphone Output 1x 1/8" / 3.5 mm TRS Unbalanced Headphone Output 1x Stereo 2RCA Coaxial Unbalanced Master Output 1x Stereo 2RCA Coaxial Unbalanced Record Output 1x Stereo 2RCA Coaxial Unbalanced Booth Output 2x XLR 3-Pin Balanced Master Output 2x XLR 3-Pin Balanced Booth Output |
| Phantom Power | No |
| USB | No |
| Wireless | No |
| Media Card Slots | No |
Performance
| Frequency Response | XLR Line/Mic Input: 20 Hz to 20 kHz ±0.1 dB XLR Master Output: 20 Hz to 20 kHz ±0.5 dB |
| Input Level | XLR Mic: -50 dBu (Nominal) RCA Line: -7.8 dBu (Nominal) RCA Phono: -40 dBu (at 1kHz, Nominal) |
| Gain/Trim Range | RCA Line Input: -12 dB +12 dB RCA Phono Input: -12 dB to +12 dB |
| Output Level | XLR Master: +4 dBu (Nominal, Balanced) +20 dBu (Maximum, Balanced) RCA Master: -7.8 dBu (Nominal, Unbalanced) +12 dBu (Maximum, Unbalanced) |
| Headphone Output Power | 70 mW per Channel into 150 Ohms (Max) |
| I/O Impedance | XLR Mic Input: 1.2 Kilohms RCA Line Input: 47 Kilohms RCA Phono Input: 47 Kilohms |
| Load Impedance | Headphone Output: 32 Ohms (Minimum) |
| Crosstalk | <-65 dB |
| Dynamic Range | >100 dB (A Weighted) |
| THD+N | XLR Mic Input: < RCA Line Input: < RCA Phono Input: < XLR Master Output: <0.05% |
Compatibility
| Included Software | No |
| OS Compatibility | No |
| Mobile App Compatible | No |
Power
| Power Requirements | AC/DC Power Adapter (Included) |
| Power Supply Output | 15 VDC at 500 mA |
| AC Input Power | 100 to 240 VAC, 50/60 Hz |
| AC Power I/O | 1x Mini-XLR Input (Locking) |
| Current Consumption | 500 mA |
Physical
| Dimensions (W x D x H) | 12.2 x 12.4 x 4.2" / 310.0 x 315.0 x 106.0 mm |
| Weight | 7.7 lb / 3.5 kg |
In the Box
- Headliner R4 Professional 4-Channel Rotary DJ Mixer
- Power Adapter
- 2-Year Manufacturer Warranty
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