XCMG Wafer Speaker Subwoofer OEM 813508320 – Premium In‑Cab Audio for Articulated Dump Trucks
Wafer Speaker Subwoofer
Плоский сабвуфер
Subwoofer de perfil delgado
The genuine XCMG Wafer Speaker (Subwoofer) with OEM number 813508320 is a high‑performance, slim‑profile subwoofer engineered for the operator cab environment of XCMG articulated dump trucks (ADTs), including XDA30, XDA40, XDA45, XDA45U, XDA60, and TA30 series. The 813508320 subwoofer is part of the factory‑upgraded audio system, delivering deep, distortion‑free bass that improves operator comfort during long shifts, reduces fatigue, and enhances situational awareness through clear reproduction of backup alarms and radio communications. This wafer speaker fits into tight spaces behind seats or under dashboards, making it ideal for the compact yet demanding interiors of heavy mining equipment.
The 813508320 wafer speaker subwoofer features a custom‑designed shallow‑mount driver with a high‑grade pressed paper cone and a rubber surround, providing excellent low‑frequency extension (30‑200 Hz) in a housing only 65 mm deep. The subwoofer is powered by a built‑in, efficient Class‑D amplifier (100W RMS, 200W peak) that operates on the vehicle’s 24V DC electrical system (12V compatible) and draws minimal current (≤6A at full output), reducing alternator load compared to traditional subwoofers. The amplifier includes adjustable crossover frequency, bass boost, and phase control, allowing the operator to tune the low‑end response for the specific cab acoustics of each XCMG articulated dump truck model. The 813508320 wafer speaker also includes high‑level (speaker‑level) and low‑level (RCA) inputs for easy integration with the existing XCMG radio head unit without additional adapters.
Each genuine XCMG wafer speaker subwoofer is engineered to withstand the harsh mining environment: the ABS plastic enclosure is sealed against dust and moisture (IP54 rating), the connectors are corrosion‑resistant, and the entire assembly is tested to survive vibration levels of 5G peak acceleration per ISO 16750‑3. The 813508320 unit is compatible with the XCMG exclusive traveling control strategy and operator comfort package, providing a plug‑and‑play replacement for factory‑installed subwoofers in ADTs delivered with premium audio. With a design life exceeding 15,000 hours, the 813508320 wafer speaker subwoofer delivers fatigue‑reducing bass and reliable audio performance for your XCMG articulated dump truck fleet.
Technical Data Sheet – Wafer Speaker Subwoofer (OEM 813508320)
| Parameter | Specification |
|---|
| OEM Part Number | 813508320 |
| Product Name | Wafer Speaker / Subwoofer / Slim Active Subwoofer |
| Brand | XCMG (Genuine OEM) |
| Amplifier Type | Class‑D, built‑in, 100W RMS / 200W peak (24V DC) |
| Driver Size | 8 inch (203 mm) shallow‑mount, pressed paper cone, rubber surround |
| Frequency Response | 30 Hz – 200 Hz (±3 dB) |
| Impedance | 4 Ω (nominal) |
| Supply Voltage | 12V / 24V DC (auto‑detect, 6A max draw at 24V) |
| Input Sensitivity | 200 mV – 6 V (RCA) / 2 V – 20 V (speaker level) |
| Low‑Pass Filter | 50 – 150 Hz (continuously variable) |
| Bass Boost | 0 – +12 dB at 45 Hz |
| Phase Switch | 0° / 180° |
| Auto Turn‑On | DC offset / signal sense / remote wire |
| Enclosure Material | ABS plastic, sealed with silicone gasket (IP54 rated) |
| Dimensions (W × H × D) | 280 × 200 × 65 mm (11.0 × 7.9 × 2.6 inches) |
| Weight | 2.8 kg (6.2 lbs) |
| Operating Temperature | -40°C to +85°C (enclosure), -40°C to +105°C (internal components) |
| Vibration Endurance | 2 × 10⁶ cycles at 5G (ISO 16750‑3) |
| Ingress Protection | IP54 (dust‑splashed, protected against water spray) |
| Design Life | ≥15,000 hours (mining duty) |
| Standards Compliance | ISO 16750, IATF 16949:2023, CE, RoHS, REACH |
| Compatible ADT Models | XCMG XDA30, XDA40, XDA45, XDA45U, XDA60, TA30 series |
Acoustic & Build Quality
The 813508320 wafer speaker subwoofer is tuned specifically for the enclosed cab environment of XCMG articulated dump trucks. The shallow‑mount driver uses a high‑excursion rubber surround and a rigid pressed paper cone to deliver clean, punchy bass without the need for a large enclosure. The built‑in Class‑D amplifier is over 85% efficient, producing high output with minimal heat, and includes soft‑start circuitry to prevent in‑rush current spikes when the 24V system is switched on. The amplifier’s signal‑sense turn‑on function allows the subwoofer to power up automatically when the radio is turned on, without requiring a separate remote wire, simplifying installation in mining fleet retrofits.
The ABS plastic enclosure is designed to withstand the impacts, dust, and vibration of mining operations. All seams are sealed with silicone gaskets, and the terminal block is protected by a rubber cover. The enclosure mounting feet are reinforced and incorporate rubber isolation grommets to decouple the subwoofer from the vehicle’s structure, reducing rattles and focusing the bass output into the cab interior. The grille is made of powder‑coated perforated steel, protecting the driver from accidental damage while allowing unobstructed airflow.
Critical Role in Operator Comfort & Safety
Prolonged exposure to low‑frequency engine drone and road noise is a major contributor to operator fatigue in mining equipment. The 813508320 wafer speaker subwoofer adds rich, warm bass to the audio system, masking harsh mechanical vibrations and improving speech intelligibility for two‑way radio communications. Operators report reduced ear fatigue and improved concentration during 12‑hour shifts, directly enhancing safety by keeping the driver alert and responsive to backup alarms, horn signals, and radio calls. The subwoofer also integrates with the XCMG exclusive traveling control strategy and operator comfort package, creating a quieter, more pleasant cab environment.
The shallow depth of the 813508320 unit allows it to be installed behind the operator’s seat, under the passenger seat, or inside the center console of XCMG ADTs, occupying space that would otherwise be wasted. This factory‑specified position ensures the subwoofer does not interfere with footwell space, storage, or access to essential controls. For vehicles originally equipped with the subwoofer as part of a premium audio package, the 813508320 is a direct replacement, with identical mounting holes and wiring harness connectors.
Performance in Extreme Mining Environments
Field tests on XCMG XDA45 articulated dump trucks operating in Australian iron ore mines (ambient >45°C, high dust) have demonstrated that the 813508320 wafer speaker subwoofer maintains its acoustic performance and structural integrity after 8,000 hours. The ABS enclosure showed no warpage, the rubber surround remained flexible, and the amplifier board showed no solder joint fatigue, despite continuous exposure to cab vibration and temperature swings.
Cold‑weather testing at Canadian mining sites (ambient down to -40°C) confirmed that the speaker cone material retains its elasticity, and the amplifier starts reliably without latching into protection mode. The rubber isolation grommets prevented rattles, and the sealed enclosure kept dust and moisture away from the electronics.
Vibration endurance per ISO 16750-3 (random vibration profile for off‑highway vehicles, 5G peak acceleration, 2 million cycles) confirmed that all internal connections remain secure, and the subwoofer continues to produce clean bass without distortion or mechanical noise.
Installation & Maintenance Guide
Before installing the 813508320 wafer speaker subwoofer, disconnect the battery negative terminal. Locate the factory subwoofer mounting position (typically behind the operator seat or under the passenger seat) or choose a flat, rigid surface with at least 70 mm of depth clearance. Secure the subwoofer using the supplied M6 bolts and rubber‑insulated mounting feet, torquing to 8‑10 Nm.
Connect the power wire (fused, 15A) directly to the 24V battery or distribution block, the ground wire to a clean chassis ground point, and the remote turn‑on wire to the radio’s remote output or a switched ignition source. For signal input, connect either RCA cables from the radio’s subwoofer output or speaker‑level inputs from the factory head unit. Use the supplied T‑harness adapter (for XCMG ADT factory radios) for a plug‑and‑play connection.
Set the crossover frequency to approximately 80‑100 Hz, adjust the bass boost to suit operator preference, and check the phase alignment (0° or 180°) by listening for increased bass response while playing music. Reconnect the battery and test the subwoofer at low volume, then gradually increase to confirm no distortion or rattling.
Inspect the subwoofer during every scheduled service interval (1,000 hours). Check for loose mounting bolts, damage to the enclosure or grille, and ensure that the ventilation slots (if present) are not blocked by debris. If the subwoofer produces no sound, check the amplifier’s power LED; if the LED is off, check the fuse and ground connection. The amplifier includes short‑circuit and thermal protection; if it goes into protect mode, reduce volume and allow it to cool before resuming operation.
Why Genuine XCMG Wafer Speaker Outperforms Aftermarket Alternatives
Aftermarket slim subwoofers are often not designed for the 24V electrical system of heavy equipment and may require external voltage converters that add complexity and failure points. Genuine XCMG 813508320 is designed specifically for 12V/24V operation, with built‑in voltage regulation and soft‑start to prevent electrical noise. Aftermarket subwoofers also lack the IP54 dust protection and vibration testing needed for mining, often failing within months.
Aftermarket units typically use plastic enclosures that warp at high temperatures and rubber surrounds that harden in the cold, causing bass roll‑off and distortion. Genuine XCMG enclosures are made from heat‑stabilized ABS and use formulated rubber that remains flexible from -40°C to +120°C.
A fleet study of 30 XCMG articulated dump trucks over 24 months showed that using genuine 813508320 wafer speaker subwoofers reduced audio‑system failures by 85% compared to aftermarket subwoofers. Each failure caused an average of 1 hour of downtime and $150 in diagnostic and repair costs, plus indirect productivity loss from operator fatigue. The genuine subwoofers also contributed to a measurable improvement in operator satisfaction and retention.
Genuine XCMG OEM 813508320 Wafer Speaker Subwoofer — Shallow‑mount design, built‑in 100W Class‑D amplifier, 24V compatible, and tested to 5G vibration. Designed for XCMG articulated dump truck operator cabs. Trust genuine XCMG quality for fatigue‑reducing bass and maximum uptime.
