- PREMIUM 4-CHANNEL CLASS D POWER: The Synergy Mobile Audio SYN 150.4D delivers clean, efficient multi-channel power designed for daily-driven systems, demo vehicles, and competition-grade installs.
- UDIOPHILE-GRADE INTERNAL COMPONENTS: Built with South Korean Samyoung capacitors, Texas Instruments op-amps and ICs, German WIMA film capacitors, and Fairchild chipsets for low distortion, high reliability, and long-term performance.
- FLEXIBLE OUTPUT & BRIDGING OPTIONS: Produces 150W x4 @ 4 ohms, 230W x4 @ 2 ohms, or 450W x2 bridged, making it ideal for components, mids/highs, or high-power speaker configurations.
- FULL ACTIVE CROSSOVER CONTROL: Adjustable high-pass, low-pass, and subsonic filters with an X10 frequency multiplier provide precise system tuning across a wide frequency range.
- BUILT FOR RELIABILITY & CONTROL: Features 4-gauge power and ground terminals, locking Tiffany RCA connections, a high-mass aluminum heat sink, 16V capability, and intelligent multi-way protection circuitry.
Synergy Audio SYN 230W x 4 @ 2 Ohm 150.4D 4-Channel Class D Vehicle Amplifier
This listing includes
- (1) Synergy Audio 4-Channel Class D Amplifier SYN150.4D
- Remote gain control with power & clipping indicators
- Owner’s manual
The Synergy Mobile Audio SYN Series amplifiers are engineered to deliver precise, reliable power with audiophile-grade component selection and professional-level control. Designed with high-end circuit architecture and manufactured using premium materials, the SYN 150.4D offers exceptional performance and long-term dependability.
This amplifier incorporates South Korean Samyoung capacitors, Texas Instruments op-amps and ICs, German-made WIMA film and filter capacitors, and Fairchild chipsets, ensuring clean signal integrity, low distortion, and rock-solid reliability for years of use.
The SYN 150.4D is perfectly suited for daily-driven vehicles, high-output demo systems, or competition-grade installs where accurate tuning and efficient multi-channel power are required. With full active crossover control and an X10 frequency multiplier, this amplifier provides outstanding flexibility for running mids, highs, components, or bridged speaker configurations.
Features
- High-end circuit design, engineering, and manufacturing
- Premium internal components for long-term reliability
- Full active crossover control with X10 frequency multiplier
- 16V capable for upgraded and competition electrical systems
- Overbuilt power supply and output section
- Nickel-plated locking Tiffany RCA inputs and outputs
- High-mass aluminum heat sink for efficient thermal management
- Intelligent multi-way protection circuitry
Specifications
Power Output (RMS @ 14.4V):
- 150W x 4 @ 4 Ohm
- 230W x 4 @ 2 Ohm
- 450W x 2 @ 4 Ohm (Bridged)
- Frequency Response: 20Hz – 20kHz
- THD @ 4 Ohm: 0.1%
- Signal-to-Noise Ratio: >85dB
- Damping Factor: >200
- Operating Voltage: Up to 16V
- Input Sensitivity: 6V – 200mV
Crossover Controls
- High-Pass Filter:
X1: 20Hz – 800Hz
X10: 200Hz – 8kHz
- Low-Pass Filter: 35Hz – 250Hz
- Subsonic Filter: 10Hz – 50Hz
Build & Connections
- 4 Gauge power and ground terminals
- Nickel-plated 8-gauge speaker outputs
- Heavy-duty 2oz double-sided PCB with thick solid copper traces
- Custom high-mass, thermally optimized aluminum heat sink
Dimensions:
- Length: 9.45"
- Width: 9.45"
- Height: 2.44"
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.
