X503-1Class D Mono Power Amplifier
Prevents magnetic flux from radiating from the subwoofer's coil, resulting in reduced noise and enhanced sound quality.
PMLCAP's (Polymer Multi-Layer Capacitors) are utilized in the LC filter circuits to decrease distortion, ensuring clear detail for a truer to life sound.
When the Infrasonic Filter Switch is turned on, the amplifier cuts off the low frequencies below 25Hz, which makes the amplifier’s power supply and output devices more efficient, providing clear bass output.
Gauge-style terminals lock wire
into position with set screw for secure installation.
All terminals and connections are on one side foreasier installation and a cleaner look.
Speaker Level Input Harness is included to connect to speaker wires from factory installed receivers.
The wired remote level control allows you to easily adjust the subwoofer volume.
| X803-5 | X503-1 | X303-4 | |
|---|---|---|---|
| MAX POWER | 1600W | 1000W | 600W |
| RMS POWER OUTPUT (4Ω) | 50W x 4 + 300W | 300W | 50W x 4 |
| RMS POWER OUTPUT (2Ω) | 75W x 4 + 500W | 500W | 75W x 4 |
| RMS POWER OUTPUT Bridged | 150W x 2 (Bridged) + 300W | - | 150W x 2 (Bridged) |
| Features | Speaker Level Input | Speaker Level Input | Speaker Level Input |
| Signal Sensing Turn-On | Signal Sensing Turn-On | Signal Sensing Turn-On | |
| Variable High Pass Filter | Variable Low Pass Filter | Variable High Pass Filter | |
| Variable Low Pass Filter | Infrasonic Filter | Variable Low Pass Filter | |
| Bass Boost | Bass Boost | Bass Boost | |
| Wired Remote Included | Wired Remote Included | - | |
| Dimensions | (W)9-3/4" x (H)2-1/16” x (D)6-5/8” | (W)8-3/8” x (H)2-1/16” x (D)5-7/8” | (W)8-3/8” x (H)2-1/16” x (D)5-7/8” |
| Weight | 4.6lbs (2.1kg) | 3.3lbs (1.5kg) | 3.1lbs (1.4kg) |
| CTA-2006-D Value | Maximum Dynamic Power | 350W at 4ohms and ≤ 10% THD + N |
|---|---|---|
| Continuous Power Output | 300W at 4ohms and ≤ 1% THD + N | |
| Signal to Noise | 85dBA reference 1 Watt RMS | |
| Maximum Power Output | MAX POWER | 1000W |
| Rated Power Output at 14.4V | A/B (4 Ohms) | - |
| A/B (2 Ohms) | - | |
| SUB (4 Ohms) | 300Watts RMS x 1 (4 Ohms, 20-200Hz, ≤1.0% THD) | |
| SUB (2 Ohms) | 500Watts RMS x 1 (2 Ohms, 100Hz, ≤1.0% THD) | |
| Specifications | Signal to Noise Ratio | 100dB (Reference: Rated Power into 4Ohms at 14.4V) |
| Frequency Response | 20Hz- (+0dB, -3dB) SUBch (Upper Feqency is depended on Low Pass Filter) | |
| Input Impedance | 10k ohm | |
| Speaker Impedance | 4Ω (2Ω to 8Ω allowable) | |
| Audio Section | Low-Pass Filter | 50Hz-200Hz, -24dB/oct |
| High-Pass Filter | - | |
| Infrasonic Filter | 25Hz, -24dB | |
| Bass Boost | Built in Bass Boost Control (40Hz, 0dB-18dB) | |
| RCA Input Sensitivity | 0.2[V] - 5.0 [V] | |
| Speaker Level Input Sensitivity | 4.0[V] - 12.0 [V] | |
| Terminals | Battery & Ground | Wire Clamp Type Terminal Block(M6,Nickel Colored）,Hexagon Screw,Capable for AWG4-AWG6 |
| Speaker Output | Wire Clamp Type Terminal Block(M4,Nickel Colored）,Hexagon Screw,Capable for AWG8-AWG16 | |
| General | Dimensions(WxHxD) | (W)8-3/8” x (H)2-1/16” x (D)5-7/8” |
| Dimensions(WxHxD) | (W) 213mm x (H) 53mm x (D) 149mm | |
| Weight | 3.3 lbs ( 1.5kg) | |
| Operating Voltage | 14.4V（11-16V allowable） | |
| Current Consumption | 28 [A] | |
| Key Features | CTA-2006-D Compliant Class D 2 Ohms Load Capability One-Sided Connection Speaker Level Input Signal Sensing Turn-on Remote Level Control ※Input Sensitivity for Sub Terminal Concealing Cover(Resin Mold) Power MOS-FET Switching Power Supply Extruded Aluminum Heat Sink Design |
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X503-1
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