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Description
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Specifications
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Support
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Features
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Soundstream TXP1.3500D – 3500W Class D Monoblock Amplifier
To dominate your audio build and push serious bass power, you need more than just a big name—smart engineering, raw wattage, and extreme efficiency. The Soundstream TXP1.3500D is built exactly for that.
This 3500-watt monoblock amplifier was engineered to outperform conventional Class D amps as part of the Tarantula X Series. It delivers aggressive output without compromising efficiency or stability, making it ideal for high-performance car audio systems.
Unlike entry-level amps that strain your electrical system, the TXP1.3500D uses high-current silicon steel core transformers that supply consistent power on demand—meaning your subwoofers receive the clean, punchy, low-end response they were made for.
Tarantula X Series Power and Design
The TXP1.3500D amplifier features Soundstream’s most efficient Class D architecture, ensuring maximum performance with less heat and energy consumption. This allows compact dimensions without sacrificing output—a perfect match for tight install spaces or stealth builds.
With the Tarantula X name behind it, this amp doesn’t just look intimidating—it’s loaded with real, road-tested capability. It’s built to handle low-impedance subwoofer configurations, deliver constant power at 1 ohm, and maintain voltage under heavy bass loads.
Key Features and Specifications
- Series: Tarantula X
- Model: TXP1.3500D
- Amplifier Class: Class D
- Channels: Monoblock (1 channel)
- Maximum Power Output: 3500 watts
- Impedance Stability: 1 Ohm
- Transformer Type: Silicon Steel Core (High Current)
- Power Supply: High-efficiency MOSFET
- Low-Pass Filter: Variable
- Subsonic Filter: 10Hz – 50Hz
- Bass Boost: Remote gain control included
- Inputs: RCA line-level
- Protection Circuitry: Thermal, overload, and short circuit
- Cooling System: Aluminum alloy heatsink
- Design: Compact chassis, black anodized finish
Engineered for Serious Subwoofer Control
The TXP1.3500D is designed to deliver full-range, low-distortion power where it matters most—at the subwoofer level. Whether running a single high-powered driver or a multi-sub setup, this amplifier offers a clean, steady output to preserve clarity and depth at high volume levels.
It includes a subsonic filter to block ultra-low frequencies that can damage subwoofers and a variable low-pass crossover for fine-tuning your output. The included remote bass knob gives you instant control over your subwoofer gain without reaching behind panels or diving into your head unit.
Compact Footprint, Competition Power
Don’t let its small size fool you—the TXP1.3500D is built to compete. The silicon steel alloy power supply is far more efficient than traditional toroidal transformers, allowing it to push massive currents without requiring multiple batteries or oversized power cables. That means more output, fewer upgrades, and a cleaner installation.
This makes the TXP1.3500D ideal for custom builds, SPL competitions, and daily systems where space is limited but performance is non-negotiable.
Perfect For
- Car audio enthusiasts running powerful subwoofer setups
- Custom installers working with limited space
- SPL competitors looking for compact, efficient amps
- Drivers running 1-ohm or dual 2-ohm subwoofer loads
- Bass lovers need high output without high heat.
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| SPECIFICATIONS | TXP1.3500D |
|---|---|
| Max Power | 3,500 Watts |
| RMS Power @ 4Ω | 450W x 1 |
| RMS Power @ 2Ω | 800W x 1 |
| RMS Power @ 1Ω | 1,250W x 1 |
| Remote Gain Control | Included |
| Low Pass Filter | 50-10KHz |
| High Pass Filter | 15-1KHz |
| Bass Boost | 0-12dB |
| Bass Boost Frequency | 50Hz |
| Subsonic Filter | - |
| Frequency Response | 20-20KHz |
| S/N | 105dB |
| Input Sensitivity | 200Mv-6V |
| THD | <0.3% |
| Operation Voltage | 9V-16V DC |
| Fuse Rating | N/A |
| Dimensions (8.25"W x 2.75"H) | 4.25" L |
The TXP Line of amplifiers does not come with external fusing. Make sure you install an appropriate in-line fuse from the positive side of your power source.
Tarantula XP Features:
1-ohm Minimum Impedance Monoblock Operation
LED Accent Lighting Illuminates Circuit Board, for Your Viewing Pleasure
Silicone Steel Alloy Core Power Supply Transformers, & Flux Capacitors
Military Grade SMT PCB Maintains Dynamic Performance
Direct Short, Thermal, & Overload Circuits Protect Amplifier
200mV-6V High Level or Low-Level RCA Input & Output
Variable 12dB High Pass, Low Pass, & Subsonic Crossovers
Dash Mount Gain Control Module Included
