- MASSIVE 3500W RMS POWER: Deliver serious full-range output with up to 3500 watts RMS at 1-ohm and 4000 watts max burst power for high-performance car audio systems.
- TRUE FULL-RANGE MONOBLOCK DESIGN: Unlike traditional bass amplifiers, the FRP-3.5K handles frequencies from 10Hz to 20KHz, making it ideal for subwoofers, mids, horns, and active audio systems.
- COMPACT BUT COMPETITION READY: High-efficiency micro digital circuitry delivers huge power in a compact chassis that fits easily into tight custom installations and space-limited builds.
- ADVANCED COOLING & PROTECTION: Equipped with dual smart cooling fans, clip indicators, thermal protection, overload protection, short circuit protection, and voltage protection for reliable performance under heavy load.
- PREMIUM DS18 ENGINEERING: Built with Tiffany RCA terminals, metal click-step knobs, surface mount components, and a reliable four-layer PCB board tested with Audio Precision verification equipment.
DS18 FRP Monoblock 3500W 1-Ohm Full-Range Class-D Amplifier Red/Blue/Titanium
This Listing Includes:
- (1) DS18 FRP-3.5K Full-Range Monoblock Amplifier
Available Colors:
- Red (FRP-3.5K-RD)
- Blue (FRP-3.5K-BL)
- Titanium (FRP-3.5K-TI)
The DS18 FRP-3.5K is a compact full-range powerhouse engineered for serious output without taking over your entire build. Built with DS18’s high-efficiency micro digital platform, this monoblock amplifier delivers massive clean power while maintaining a compact footprint perfect for tight installations, custom builds, motorcycles, powersports, and aggressive full-range audio systems.
Capable of producing up to 3500 watts RMS at 1-ohm, the FRP-3.5K is designed for versatility. Unlike traditional bass-only monoblocks, this full-range amplifier handles a wide frequency spectrum from 10Hz all the way to 20KHz, making it ideal for subwoofers, pro audio mids, compression drivers, or custom active systems.
DS18 packed this amplifier with premium features, including variable crossover filters, clip indicators, smart dual cooling fans, Tiffany RCA terminals, and a rugged four-layer PCB board design for enhanced reliability under heavy load. Metal click-step control knobs make tuning precise and repeatable, while the included protection circuitry helps keep your system safe during hard demos and daily abuse.
Whether you're building a loud demo vehicle or a clean compact setup, the FRP-3.5K delivers brutal power with flexible tuning and eye-catching style.
Features
- Full-Range Class-D Monoblock Amplifier
- 3500 Watts RMS @ 1-Ohm
- Full-Range Frequency Response from 10Hz-20KHz
- Compact High-Efficiency Micro Digital Design
- Smart Dual Cooling Fans
- Variable Crossovers for Custom Tuning
- LED Power, Protect & Clip Indicators
- Metal Click-Step Control Knobs
- Tiffany Style RCA Inputs
- Four-Layer PCB Board Construction
- Surface Mount Component Technology
- Voltage, Thermal & Short Circuit Protection
- Available in Red, Blue, or Titanium Finishes
Specification
- RMS Power @ 4-Ohm: 1000 Watts
- RMS Power @ 2-Ohm: 2000 Watts
- RMS Power @ 1-Ohm: 3500 Watts
- Max Burst Power @ 1-Ohm: 4000 Watts
- Frequency Response: 10Hz - 20KHz
- Signal-to-Noise Ratio: 83dB
- Efficiency @ 4-Ohm: 80%
- Damping Factor: 90
- Input Impedance: 10K-Ohm
- Total Harmonic Distortion (THD): 0.5%
- Low Level Input Range: 400mV - 36V
- Selectable Crossovers: Yes
- X-Over Filter Range: 40Hz - 20KHz
- Bass Boost Range: 0dB - 12dB
- Bass Boost Frequency: 50Hz
- Amplifier Class: Digital Class D
- Amplifier Type: Full-Range Monoblock
- Channels: 1-Channel
- Minimum Impedance: 1-Ohm
- LED Indicators: Power / Protect / Clip
- Smart Cooling Fans: Dual Fan Design
- Remote Level Control with Clip Indicator: Yes
- Thermal Protection: Yes
- Over-Load Protection: Yes
- Short Circuit Protection: Yes
- Voltage Input Protection: Yes
- Clipping Protection: Yes
- Four-Layer PCB Design
- Surface Mount Technology Components
- Tiffany RCA Terminals
- Metal Click-Step Tuning Knobs
- Power Terminal Size: 0-Gauge
- Recommended Fuse Size: 300A
- Gross Single Unit Weight: 5.8lbs / 2.64kg
Dimensions:
- Overall Length: 10.2" / 260mm
- Overall Width: 5.5" / 140mm
- Overall Height: 2.36" / 60mm
- Heatsink Length: 9" / 228mm
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
- Visa
- Mastercard
- American Express
- Discover
- Diners Club
Digital Wallets
- Amazon Pay
- Apple Pay
- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
- PayPal
International Payment Methods
Bank Transfers
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
- Klarna
- Affirm
- Sezzle
- Snap
- Acima
- Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
- Standard Shipping: Free for orders over $100.
- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Can’t I Track My Order?
If you're having trouble tracking your order:
- Make sure you’ve received the shipping confirmation email with the tracking number.
- Log into your account on our website and use the “Check Your Order Status” button.
- If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
