- Compact Powerhouse: Micro 3" × 7.75" × 1.5" chassis delivers up to 500W RMS @ 2Ω and 350W RMS @ 4Ω—perfect for cars, motorcycles, boats, or off-road vehicles.
- High-Efficiency Class D Amplifier: Modern Class D design provides clean, stable power with minimal heat, rivaling traditional full-range amplifiers.
- Premium Build & Protection: Hybrid aluminum heatsink, MOSFET power supply, and military-grade SMT PCB ensure dynamic performance; built-in short, thermal, and overload protection safeguards your system.
- Advanced Crossover & Bass Control: Variable 12dB high-pass and subsonic filters plus 18dB bass boost deliver precise, deep low-frequency performance.
- Easy Integration & Control: Automatic Hi-Level signal sensing powers the amp with factory radios; includes quick-disconnect RCA/high-level harnesses and a dash-mount gain control module for convenient tuning.
Monoblock 1000 Watt 2-Ohm Micro Compact Car Audio Amplifier Soundstream ST11000D
This listing includes:
- (1) Soundstream ST1.1000D Amplifier
- (1) Dash Mount Gain Control Module
The Soundstream Stealth ST1.1000D is a high-efficiency Class D monoblock amplifier that delivers impressive power in a micro-sized chassis. Measuring just 3" Ã 1.5" Ã 7.75", this compact amplifier packs 350W RMS @ 4 Ohms and 500W RMS @ 2 Ohms, making it ideal for cars, motorcycles, boats, or off-road vehicles.
Once considered "dirty power," modern Class D technology now provides stable, clean, and high-performance output, rivaling traditional full-range amplifiers. With minimal power requirements, ultra-compact design, and easy installation, this amplifier is perfect for any full-range audio setup.
Automatic Hi-Level Signal Sensing Turn-On allows integration with factory radios without needing a remote wire - the amplifier powers on/off automatically when a signal is detected.
Features
- Premium High-Efficiency Class D Full-Range Amplifier
- Micro 3" x 8" Chassis Fits Virtually Any Application
- Hybrid Aluminum Alloy Heatsink for Maximum Heat Dissipation
- 2-Ohm Stable Minimum Impedance Monoblock Operation
- MOSFET Power Supply with Audiophile-Grade IRTM Transistors
- Military-Grade SMT PCB Maintains Dynamic Performance
- Built-In Protection: Direct Short, Thermal, and Overload Circuits
- 500mV -12V Hi-Level or Low-Level RCA Input
- Automatic Turn-On via Hi-Level Signal Sensing
- Quick Disconnect RCA/High-Level and Power/Speaker Harnesses
- Top-Mount Crossover Controls for Easy Access
- Variable 12dB High-Pass & Subsonic Crossover Filter
- 18dB Bass Boost for Deep Low-Frequency Harmonics
- 12dB Subsonic Crossover Blocks Harmful Frequencies
- Dash-Mount Gain Control Module Included
Specifications:
- Max Power 1000 Watts
- RMS Power @ 4-Ohm 350W x 1
- RMS Power @ 2-Ohm 500W x 1
- High-Efficiency Class D Full-Range Amplifiers
- Frequency Response: Full Range
- Low-Pass Crossover: 50 - 500Hz Variable
- Subsonic Crossover: 10 - 50Hz Variable 12dB
- Bass Boost: 0 - 18dB at 45Hz
- Hybrid Aluminum Alloy Heatsink for Optimum Dissipation
- 2-ohm Minimum Impedance Monoblock Operation
- MOSFET Power Supply w/ Audiophile Grade IRTM Transistors
- Military Grade SMT PCB Maintains Dynamic Performance
- Direct Short, Thermal, & Overload Circuits Protect Amplifier
- 200mV-12V High Level or Low-Level RCA Input
- Automatic Turn-On Hi-Level Signal Sensing
- Quick Disconnect RCA/High-Level Wire Harness
- Quick Disconnect Power and Speaker Output Harness
- Variable 12dB High Pass, Low Pass, & Subsonic Crossovers
- 12dB Bass Boost Increases Low Octave Harmonics
- Dash Mount Gain Control Module Included
Dimensions:
Width: 3"
Length: 7.75"
Height: 1.5"
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.