5-Channel 2700W RMS High Output Amplifier for Sub & Full-Range Systems SS5.1500

• All-in-One 5-Channel Amp: 4 x 300W RMS for mids/highs + 1 x 1500W RMS for subs—perfect for full-range systems.
• Class D Efficiency: Discrete Class D technology delivers ultra-clean, low-distortion sound while drawing less power.
• Compact Powerhouse: Less than 18" long chassis fits tight spaces without sacrificing output.
• Dual Toroidal Power Supply: Ensures maximum current and stable, concert-level performance.
• Customizable Sound: 12dB/Oct high-pass and low-pass crossovers, plus remote gain control included.

5-Channel 2700W RMS High Output Amplifier for Sub & Full-Range Systems SS5.1500

This Listing Includes

• (1) SS5.1500 5-Channel Amplifier


• (1) Remote Gain Control

The SS5.1500 is a compact powerhouse built for full-range, high-output audio. Using advanced discrete Class D circuitry, it delivers ultra-clean, low-distortion sound that rivals much larger amps while drawing less power.

This 5-channel amplifier delivers 300W RMS to four mid/high channels and a massive 1500W RMS to a dedicated sub channel, making it ideal for driving everything from demanding door speakers and tweeter arrays to professional audio setups or marine systems—all from one amp.

Its dual toroidal power supply and high-speed Class D design ensure precise, concert-level output with a low noise floor, while the compact 18-inch chassis keeps installations simple and flexible. The SS5.1500 is the ultimate all-in-one solution for full-range, high-fidelity sound in a small package.

Features

• 5-channel amplifier: 4 x 300W RMS + 1 x 1500W RMS sub


• Discrete Class D technology for ultra-low distortion


• Dual toroidal power supply for maximum current delivery


• Heavyweight die-cast aluminum chassis for durability


• Set-screw power and speaker terminals for secure connections


• Remote gain control included for easy tuning


• 12dB/Oct High Pass / Low Pass Crossovers


• 0 AWG power terminals & 4 AWG speaker terminals


• Supports multiple full-range driver arrays and sub-systems

Specifications:

• Operating Voltage: 9 - 16V


• Test Voltage: 14.4V


• Input Channels: 6


• Output Channels: 5


• Continuous Wattage @4-Ohms : 4 x 200 Watts


• Continuous Wattage @2-Ohms: 4 x 300 Watts


• Continuous Wattage @1-Ohms: 1 x 1500 Watts


• Max Current Draw: 150A


• RCA Input Sensitivity: 6-0.25V


• High-Level Input Sensitivity: 20 - 1.1V


• RCA Input S/N Ratio: >95 dB


• Damping Factor: >100


• THD: <1%


• Frequency Response: 20Hz - 20kHz


• High Pass Filter: 50Hz - 5kHz


• Sub-Sonic Filter: 10Hz - 50Hz


• Low Pass Filter: 50Hz - 5kHz


• Remote Control: Included


• Power Wire Gauge: 0 AWG


• Speaker Wire Gauge: 12 AWG

Dimensions:

• Length:17.75" (450 mm)


• Width: 7.3" (185 mm)


• Height: 2.4" (60 mm)

The SS Series was engineered to deliver maximum full-range stereo output in a compact, efficient chassis. Using advanced discrete Class D circuitry, the SS5.1500 achieves ultra-low distortion levels that rival traditional Class AB designs while consuming less power.

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

• Bancontact
• iDEAL

Bank Transfers

• Zelle

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.

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