- EXTREME MONOBLOCK BASS POWER: The Synergy Mobile Audio SYN 6.5K mono Class D amplifier is engineered with high-end circuit design and premium internal components to deliver massive, reliable bass output in demanding car audio systems.
- AUDIOPHILE-GRADE INTERNAL COMPONENTS: Built with South Korean Samyoung capacitors, Texas Instruments op-amps and ICs, German WIMA film and filter capacitors, and Fairchild chipsets for low distortion, efficiency, and long-term durability.
- SERIOUS REAL-WORLD RMS OUTPUT: Produces 6,500W RMS at 1 ohm @ 14.4V and up to 8,000W RMS at 16V, making it ideal for large subwoofer systems in daily drivers, demo vehicles, and SPL competition builds.
- FULL ACTIVE BASS CONTROL: Adjustable subsonic (10Hz–50Hz) and low-pass (35Hz–250Hz) filters combined with a high damping factor (>200) provide tight, controlled bass across a wide range of enclosures and system designs.
- OVERBUILT POWER & THERMAL DESIGN: Features triple 0-gauge power and ground terminals, nickel-plated 8-gauge speaker outputs, locking Tiffany RCA connections, six power transformers, and a high-mass aluminum heat sink for stable operation under extreme load.
Synergy Audio 6500 Watts RMS 1 Ohm Class D Vehicle Amplifier SYN6.5K
This Listing Includes:
- (1) Synergy Audio SYN Series SYN 6.5K Class D Monoblock Amplifier
- (1) Remote gain control with power and clip indicators
- (1) Ownerâs manual
The Synergy Audio SYN 6.5K is a high-output, 1-ohm stable Class D monoblock amplifier designed for serious daily-driver, demo, and SPL bass systems. Rated at 6,500 watts RMS at 1 ohm on 14.4V, this amplifier has the current capability and power delivery needed for demanding multi-subwoofer setups.
The SYN 6.5K is built with premium internal components, including South Korean Samyoung capacitors, Texas Instruments op-amps and ICs, German WIMA film and filter capacitors, and Fairchild chipsets. Its overbuilt power supply features six high-current transformers, triple 0-gauge power and ground terminals, and a heavy-duty double-sided 2 oz. copper PCB.
With adjustable subsonic and low-pass filters, master/slave switching, remote gain control, and up to 16V operating capability, the SYN 6.5K offers the control and flexibility required for high-performance bass systems.
Features
- 1-ohm stable Class D monoblock design
- 6,500W RMS at 1 ohm on 14.4V
- Master/slave switching for compatible multi-amplifier configurations
- Included remote gain control with power and clip indicators
- Adjustable subsonic and low-pass filters
- 9Vâ16V operating capability for upgraded electrical systems
- Triple 0-gauge power and ground terminals
- (6) high-current power transformers
- Premium Samyoung capacitors, WIMA capacitors, TI ICs, and Fairchild chipsets
- Nickel-plated locking Tiffany-style RCA inputs and outputs
- Nickel-plated 8-gauge speaker outputs
- High-mass thermally optimized aluminum heat sink
- Heavy-duty double-sided 2 oz. copper FR4 PCB
- Over-current, thermal, high-voltage, and low-voltage protection circuitry
Specifications:
- Amplifier Type: Class D Monoblock
- Power Output at 1 Ohm, 14.4V: 6,500W RMS
- Power Output at 2 Ohms, 14.4V: 3,800W RMS
- Power Output at 4 Ohms, 14.4V: 2,100W RMS
- Frequency Response: 10 Hzâ250 Hz
- Signal-to-Noise Ratio: Greater than 85 dB
- Damping Factor: Greater than 200
- THD at 4 Ohms: Less than 0.1%
- Subsonic Filter: 10 Hzâ50 Hz
- Low-Pass Filter: 35 Hzâ250 Hz
- Input Sensitivity: 0.2Vâ6V
- Operating Voltage: 9Vâ16V
- Fuse Rating: (3) Ã 200A
- Power and Ground Terminals: Triple 0-gauge
- Speaker Outputs: Nickel-plated 8-gauge
- Power Transformers: (6) High-current transformers
- PCB: Double-sided 2 oz. copper FR4 board with thick copper traces
- Heat Sink: High-mass, thermally optimized aluminum
Dimensions:
- Length: 26.77"
- 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.
