SoundQubed 1600 Watts F4-1600 Full Bridge 4 Channel Amplifier
Key features
- Amplifier channels: 4
- RMS per channel at 4 ohms: 250 W
- RMS per channel at 2 ohms: 400 W
- Overall dimensions (L × W × H): 9.13 × 8.46 × 2.28 in
- Frequency response: 10 Hz–20 kHz
- Low-level input range: 400 mV–6 V
SoundQubed 1600 Watts F4-1600 Full Bridge 4 Channel Amplifier is backordered and will ship as soon as it is back in stock.
SoundQubed 1600 Watts F4-1600 Full Bridge 4 Channel Amplifier is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Build a four-channel car audio system with flexible crossover control in a compact chassis. The SoundQubed F4-1600 is a full-bridge digital amplifier rated at 250W x 4 at 4Ω, with selectable filtering and a crossover frequency multiplier of up to 10x.
Use all four channels for speakers, or bridge channels 3/4 for a mid-bass driver or subwoofer. Its compact dimensions make it easier to plan into installations where amplifier space matters.
Key Features & Benefits
- Flexible power: Choose 250W x 4 at 4Ω, 400W x 4 at 2Ω, or 800W x 2 bridged at 4Ω for different system layouts.
- Channel-specific crossovers: Select HPF or FULL on channels 1/2, and HPF, FULL, or BPF on channels 3/4.
- Adjustable bass boost: Set 0–12 dB of boost at 45 Hz for supported bass applications.
- Compact chassis: The amplifier measures 9.13" x 8.46" x 2.28" for installation planning.
- Cooling and protection: A cooling fan, enlarged heatsink, and listed protection circuits support operation under demanding conditions.
- Signal performance: The 95 dB signal-to-noise ratio, 84% efficiency at 4 ohm, and damping factor of 92 describe key aspects of its audio and electrical performance.
Technical Specifications
| Specification | F4-1600 |
|---|---|
| RMS Power @ 4 Ohm — 4-Channel | 250W x 4 |
| RMS Power @ 2 Ohm — 4-Channel | 400W x 4 |
| RMS Power @ 4 Ohm — Bridged (2-Channel) | 800W x 2 |
| Frequency Response | 10 Hz – 20 kHz |
| Signal to Noise Ratio | 95 dB |
| Efficiency @ 4 Ohm | 84% |
| Damping Factor | 92 |
| Input Impedance | 20K Ohms |
| THD | 0.50% |
| Low Level Input Range | 400mV – 4V |
| Selectable X-Over (CH 1/2) | HPF / FULL |
| X-Over Filter Range (CH 1/2) | 40 Hz – 400 Hz |
| Selectable X-Over (CH 3/4) | HPF / FULL / BPF |
| X-Over Filter Range (CH 3/4) | HPF: 40–400 Hz / LPF: 40–400 Hz |
| Bass Boost Range | 0 – 12 dB |
| Bass Boost Frequency | 45 Hz |
| X-Over Frequency Multiplier | Yes (up to 10x) |
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full-Range |
| Number of Channels | 4 |
| Minimum Impedance (Stereo) | 2 Ohm |
| Minimum Impedance (Bridged) | 4 Ohm |
| LED Indicator | Power / Protect / Clip |
| Power Input Terminal Size | 4GA |
| Fuse Size (Recommended) | 360A |
| Remote Level Control | No |
| Voltmeter | No |
| Cooling Fan | Yes |
| Thermal Protection | Yes |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| Clipping Protection | Yes |
| High Efficiency Digital Circuit Design | Yes |
| Tiffany Style RCA | Yes |
| Quality Control (Audio Precision) | Yes |
| Overall Length | 9.13" / 232 mm |
| Overall Width | 8.46" / 215 mm |
| Overall Height | 2.28" / 58 mm |
| Heatsink Length | 7.95" / 202 mm |
Why Choose This Product?
The F4-1600 gives you several channel and crossover options in one four-channel amplifier. Channels 1/2 offer HPF or FULL settings, while channels 3/4 add BPF selection for more flexible system planning.
The source describes the 10x crossover frequency multiplier as extending crossover control and eliminating the need for a separate DSP in most front-stage builds. Its full-bridge digital design, enlarged heatsink, and cooling fan are also listed features for installations using the amplifier at high output.
Installation & Compatibility Notes
The amplifier is stable at 2Ω in stereo mode and 4Ω in bridged mode. Do not bridge it into a load below 4Ω. The listed power input terminal size is 4GA, and the recommended fuse size is 360A.
The product details call for proper 4-gauge power and ground wiring, describe compatibility with most upgraded electrical systems, and recommend a high-output alternator for sustained high-power use at full output. Check your system’s electrical capacity and planned speaker loads before installation.
For a front-stage and mid-bass or subwoofer layout, the source recommends using channels 1/2 for front speakers and bridging channels 3/4 for the low-frequency driver. It also names the SoundQubed S1-850.1 and S1-1250 as monoblock options for a system with dedicated sub bass.
Frequently Asked Questions
Can the F4-1600 power a complete car audio system?
The product details describe using channels 1/2 for front speakers and bridged channels 3/4 for a mid-bass driver or subwoofer. For dedicated sub bass, they recommend pairing it with a SoundQubed S1-850.1 or S1-1250 monoblock.
What does the 10x crossover frequency multiplier do?
It extends the crossover frequency range by up to 10x, allowing finer control over crossover points. The product details identify 3-way component setups as one use for that control.
What is the minimum load for bridged operation?
The minimum impedance in bridged mode is 4 Ohm. Stereo operation has a listed minimum impedance of 2 Ohm.
What electrical setup does the amplifier call for?
The listed requirements are a 360A recommended fuse and 4-gauge power and ground wiring. A high-output alternator is recommended for sustained full-output use.
Is a temperature and voltage display included?
The product details describe an optional temperature/voltage readout on the bass knob. The specifications list Remote Level Control as No and Voltmeter as No.
Explore More
Want to learn more about SoundQubed? Explore our SoundQubed brand profile.
