4x4R
Rackmount Active Splitter
Built into a rugged 1U rackmount chassis, the 4X4R offers flexible routing configurations, comprehensive linking options, and dependable performance for touring systems, broadcast racks, press facilities, and permanent installations. Designed and manufactured in the UK, it delivers the clarity, headroom, and reliability expected from Drawmer in mission-critical audio workflows.
Signal Splitter & Pressbox
The Drawmer 4X4R is a professional 4-in / 16-out mic and line signal splitter engineered for exceptional audio quality and long-term reliability in demanding environments. Designed for live sound, broadcast, sports coverage, recording, press conferences, and corporate installations, it delivers pristine signal distribution with confidence.
At its core are four studio-grade mic/line preamps offering up to 66dB of gain, paired with sixteen balanced outputs featuring optional transformer isolation. The result is clean, stable audio routing that maintains integrity even in complex, multi-destination setups.
Flexible Configuration
Each of the four channels is equipped with a high-quality mic/line preamp featuring variable gain control, 48V phantom power, mic/line switching, and independent bargraph metering for accurate level monitoring. A dedicated headphone output enables fast and reliable signal checking directly from the front panel.
Active signal splitting ensures consistent levels over long cable runs without degradation. The 4X4R can be configured as 1 × 16-out, 2 × 8-out, 1 × 12-out plus 1 × 4-out, or 4 × 4-out, providing maximum flexibility to suit a wide range of audio distribution requirements.
Engineered for Reliability
Housed in a rugged 1U rackmount chassis, the 4X4R is built for fixed installations and touring racks alike. Comprehensive linking options and optional transformer isolation safeguard signal integrity while expanding routing possibilities.
Designed and manufactured in the United Kingdom, the 4X4R delivers the dependable performance professionals expect from Drawmer in mission-critical audio applications.
Features
- Four studio-grade mic/line preamps delivering up to 66dB of variable gain
- Independent input bargraph metering with mic/line switching and 48V phantom power on each channel
- Built-in headphone monitoring for quick and reliable signal checking
- Four balanced outputs per channel with active splitting to maintain signal integrity over long cable runs
- Optional transformer isolation with LED status indication for enhanced protection and clarity
- Comprehensive channel linking for flexible and expandable routing configurations
- Configurable operation: 1 × 1-in / 16-out, 2 × 1-in / 8-out, 1 × 1-in / 12-out plus 1 × 1-in / 4-out, or 4 × 1-in / 4-out
- Rugged 1U rackmount chassis engineered for dependable performance
- Designed and handmade by Drawmer in the United Kingdom
Specifications
| Maximum input level | +21 dBu |
|
Input impedance Mic |
1k Ohms |
|
Input impedance Line |
4.1k Ohms |
| Maximum output level | +21 dBu |
| Output impedance | 50 Ohms |
|
Bandwidth -1 dB |
<13.4 Hz to 46 kHz |
|
Bandwidth -3 dB |
<8 Hz to 85 kHz |
|
Mic EIN Ref 150Ω, 0 dB, audio band |
-128 dBu |
|
Distortion (THD) Line input @ +4 dBu |
0.005% |
|
Line noise Audio band (Ref +4 dBu) |
-100 dBu |
|
Line noise Full band (Ref +4 dBu) |
-93 dBu |
|
Crosstalk Adjacent channels @ 20 kHz |
>87 dB |
| Power requirements |
230 V or 115 V ~ 50–60 Hz Power consumption: 20 VA |
|
Fuse rating @ 230 V |
T500 mA |
|
Fuse rating @ 115 V |
T500 mA (IEC 127-2) |
| Fuse type | 20 mm × 5 mm, Class 3 Timed-Blo, 250 V |
|
Case Width |
482 mm |
|
Case Height |
44 mm |
|
Case Depth |
223 mm |
| Weight |
2.8 kg (without isolating transformers) 3.3 kg (with isolating transformers) |
In the interests of product development, Drawmer reserve the right to modify or improve specifications of this product at any time, without prior notice.