Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
Down4Sound Symphony S1 1500W RMS Monoblock Amplifier
-15%
Down4Sound

Down4Sound Symphony S1 1500W RMS Monoblock Amplifier

$214.99
$182.74 In Stock Pre-Order Sold out
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1-4 DAYS DELIVERY

100% ORIGINAL AND QUALITY

24 MONTHS GUARANTEE

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Down4Sound Symphony S1 1500W RMS Monoblock Amplifier

The new & improved Symphony amplifiers are packed with even more power density than the highly renowned originals!

  • The S1 is rated for 1500w @ 1ohm
  • Efficient design only requires the use of 4 gauge power and ground cables.
  • New Custom tooled Symphony heatsink optimized for uncompromising heat dissipation while keeping form factor at an all time low.
  • Built in 18db/Slope crossover network allows for precise adjustment of your system's needs for perfect Midbass/Midrange.
  • The S1 output frequency allows the user to run for midbass/midrange! (up to 5khz)
  • All Symphony models utilize heavy copper traces in the Korean built boards, as well as top quality components used throughout.
  • Input signal transfers cleanly to the board via the Tiffany style RCA input jacks.
  • The S1 sports a silent ball bearing fan to keep it happy no matter what you throw at it.
  • Does not come with a bass knob

S1 Rated Power output @ 13.8v (RMS):

  • 1ohm: 1500w
  • 2ohm: 1000w
  • 4ohm: 550w

S1 Dimensions: 7"L x 7.6"W x 2.5"H
150a fuse for the power input suggested

30-Day Return Policy

At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.

Please note: Any returns with physical damage or missing original packaging may incur a deduction.

Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.

Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.

We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).

At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.

Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.

Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.

Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.

If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!

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