Phoenix Gold ZLOC4.4 ZD Series 4 Channel Converter Including Bass Cube
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The Phoenix Gold ZLOC4.4 is a 4-channel high-to-low level converter from the ZD Series, with a built-in Bass CUBE bass control. It converts speaker-level signals from a factory head unit or amplifier into low-level RCA outputs suitable for aftermarket amplifiers, making it an ideal solution for OEM system upgrades.
Key specifications
- Inputs / outputs: 4-channel speaker input, 4-channel output
- Input mode: 2CH / 4CH switchable
- Load select: 10 ohm / 60 ohm / 20k ohm
- Turn-on: REM / DC / audio
- Bass CUBE: 20Hz – 110Hz, -9dB to +9dB
- Output voltage: max 7.5V at 14.4V
- Signal to noise: over 100dB
- Dimensions: 150.6 x 82 x 24.8mm
ZLOC4.4
The ZLOC4.4 is designed to enhance your vehicle's audio system. Many vehicles come with integrated amplifiers, but the original OEM setup often falls short on performance.
The ZLOC4.4 bridges the gap between OEM systems and aftermarket audio components. It addresses the limitations of factory-installed audio by bypassing OEM resistance and eliminating unwanted system noise, enabling improved audio performance without altering your vehicle's factory settings.
The ZLOC4.4 operates via four high-level inputs, switchable between 2CH and 4CH input modes, which capture speaker signals from your OEM head unit or amplifier and feed them to four low-level outputs. This is the core function of the ZLOC4.4, allowing you to expand your existing audio setup.
A notable feature of the ZLOC4.4 is its built-in CLIP indicator. This monitors input and output signals continuously for any sign of distortion, giving you a clear indication when signal levels need adjusting.
The ZLOC4.4 also removes the need to replace your factory head unit, eliminating the restrictions that can otherwise limit audio upgrades. It integrates aftermarket components into your OEM setup cleanly, improving overall sound quality and bass performance.
The ZLOC4.4 is a cost-effective way to improve your audio system's performance within an OEM integration setup. It works well alongside amplifiers such as the Phoenix Gold ZDA4.8 4-Channel DSP Amplifier for a complete system upgrade.
Bass CUBE
The Phoenix Gold Bass CUBE is built directly into the ZLOC4.4. It lets you fine-tune the bass level by selecting a centre frequency between 20Hz and 110Hz, adjusting output between -9dB and +9dB, with a variable Q value.
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Specification
| Speaker Input | 4CH |
|---|---|
| Outputs | 4CH |
| REM In | Yes |
| REM Out | Yes |
| Load Select | 10-Ohm / 60-Ohm / 20K-Ohm |
| Ground Isolation | GND/ISO/200-Ohm |
| Gain | Yes,X2 |
| Clipping | Yes,X2 |
| Center Frequency | 20Hz-110Hz |
| Bass Level | -9 ~ +9dB |
| Turn On Mode | REM/DC/AUDIO |
| Input Mode | 2CH/4CH |
| Remote | None |
| Dimensions | (LxWxH)mm 150.6x82x24.8mm |
| Chassis Body | Aluminum |
| Input Sensitivity | 0.5 to 32V |
| Operating Voltage | 9 to 32V |
| Output Voltage | Max. 7.5V @ 14.4V |
| Signal to Noise | >100dB @6.4V output |
| Input Impedance | 10-Ohm / 60-Ohm / 20K-Ohm |
| Frequency Response | 10-30kHz |
| THD+N | <0.01% |
| Output Impedance | < 120-ohm |
| Max Current Draw | 121 – 150 mA |
| Turn-On Trigger | DC 3 to 7V |
| Gain | -28 to 0dB |
| Terminal Gauge | Quick Connect / 16# AWG |
More specs
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What's Included
- ZLOC4.4
Phoenix Gold
About the Phoenix Gold ZLOC4.4
From our tech experts at CEN
A line output converter with bass control, taking speaker-level signal from a factory system and producing clean line-level output for an amplifier.
Who it suits
Drivers adding amplification while keeping the factory head unit, which is most modern cars where the stereo is integrated into the dashboard.
Our tech experts advise
Factory outputs vary: some are already amplified, some equalised in ways that need correcting. We check what your vehicle actually outputs before specifying. get in touch. See car audio installation.
Explore the full Phoenix Gold range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Phoenix Gold
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Frequently Asked Questions
Q: Will an amplifier work with my factory head unit?
A: Yes, in most cases. If your head unit has no RCA outputs you will need a line output converter to feed the amplifier a clean signal. CEN stocks line output converters and can advise the right one for your vehicle.
Q: What does the ZLOC4.4 do?
A: It converts 4 channels of speaker-level signal from a factory head unit or amplifier into 4 low-level outputs, so you can add aftermarket amplifiers while keeping the factory system.
Q: Does the ZLOC4.4 have bass control?
A: Yes. The built-in Bass CUBE lets you choose a centre frequency between 20Hz and 110Hz and set the level between -9dB and +9dB, with a variable Q value.
Q: How does the ZLOC4.4 switch on?
A: Turn-on can be triggered by REM, DC offset or audio signal, and it has both REM in and REM out connections.
Q: Can CEN fit the ZLOC4.4?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
