3. Huge selection - Nowhere cheaper!
  5. Zv7 15

Zv7 15

3500 Watt

Zv7 15

Technical Highlights

  • Power: 3500 W RMS, 7000 W Peak, Impedance: 1.96 / 3.84 Ohm.
  • Resonant frequency: 30.824 Hz, Sensitivity: 91.582 / 89.316 dB.
  • Linear excursion: 42 mm, Bass reflex volume: 113.27 liters.
  • More technical details
€2,499.99
€2,499.99 €2,499.99
2% discount with credit card

Your price match offer

ProductZv7 15 · D1 (2x1 Ohm)

Reply within 1–3 working days · Mon–Fri. Outside the EU, we are happy to review an individual offer.

Privacy

This website is protected by hCaptcha. The privacy policy and terms of service of hCaptcha apply.
including VAT plus shipping
Variant: D1 (2x1 Ohm)
Estimated delivery: Sep 15–Sep 17.
x piece
  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • EPS
  • Google Pay
  • iDEAL Wero
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Shop Pay
  • Twint
  • Union Pay
  • Visa

Delivery & availability

The selected variant is not currently in stock at Masori and is sourced from the supplier. Refer to the estimated delivery window above.

Orders ship together based on the item with the longest lead time. If you need something sooner, ask by email about a possible partial shipment beforehand.

Shipping costs and options depend on the destination. Check the shipping calculator; final costs are shown before placing the order.

Email us the product, car, existing system and budget. We will offer an alternative available sooner.

Ask for an alternative available sooner

Reply in 1–3 working days · Mon–Fri

1 year extra warranty

Every product purchased from Masori includes an additional year of warranty in the third year after purchase (months 25–36). We cover repair or replacement free of charge for covered warranty claims. Automatic and free – exclusively for Masori customers. Your statutory rights remain unaffected.

Warranty terms
HertzCento CP 1.2K
Hertz-Cento CP 1.2K-1-Kanal Verstärker-masori-kaufen
Steg-NT-33-Horn-Hochtöner-masori-kaufen
StegNT-33
Sundown Audio-Zv7 15-15" (38cm) Subwoofer-masori-kaufen
€2,499.99
€2,499.99 €2,499.99

More power than Zv7 15 here!

Show all

The Zv7 15 is a Subwoofer from Sundown Audio that delivers impressive performance with its 15" (38cm) diaphragm. With an RMS power handling of 3500 W, it provides powerful sound and is designed for maximum loads of up to 7000 W. The resonance frequency is around 30 Hz, while its sensitivity exceeds 89 dB. This model is specialized in providing precise bass reproduction, with the bass reflex enclosure being particularly suitable at 113.27 liters. Closed enclosures are not recommended. The linear excursion is a remarkable 42 mm, ensuring particularly dynamic sound depth.

 

Technical Specifications & T/S Parameters (D1 / D2)

  • 15" (38cm) Subwoofer
  • Power Handling (RMS): 3500 W / 3500 W
  • Maximum Power Handling (Peak): 7000 W / 7000 W
  • DC Resistance (Re): 1.96 Ohm / 3.84 Ohm
  • Resonance Frequency (Fs): 30.824 Hz / 30.399 Hz
  • Equivalent Volume (Vas): 33.273 L / 35.564 L
  • Electrical Quality (Qes): 0.412 / 0.364
  • Mechanical Quality (Qms): 5.919 / 5.607
  • Total Quality (Qts): 0.385 / 0.342
  • Inductance (Le): 1.829 mH / 3.716 mH
  • Force Factor (BL): 23.647 NA / 34.26 NA
  • Moving Mass (Mms): 606.05 g / 582.893 g
  • Compliance (Cms): 43.9942 µM/N / 47.022 µM/N
  • Sensitivity (Sens @ 1w/1m): 91.582 dB / 89.316 dB
  • Linear Excursion (Xmax): 42 mm / 42 mm

Installation Dimensions & Enclosure Recommendations

  • Cutout Diameter: 28.17 cm
  • Bass Reflex Enclosure: 113.27 liters
  • Recommended Port Area: 387.10 cm²
  • Closed Enclosure: Not recommended
  • 4th Order Bandpass (Closed Side): 56.63 liters
  • 4th Order Bandpass (Ventilated Side): 169.90 liters
  • 4th Order Bandpass Port Area: 774.19 cm²
  • 4th Order Bandpass Port Length: 20.32 cm

Frequently Asked Questions about Zv7 15

What are the RMS and peak power ratings of the Zv7 15 Subwoofer?

The Zv7 15 Subwoofer from Sundown Audio offers an impressive RMS power rating of 3500 watts. This powerful subwoofer is designed for intense sound demands and can even handle maximum loads of up to 7000 watts. If you enjoy listening to music at high volumes and need maximum power reserves, this subwoofer is an excellent choice. With its robust power handling, the Zv7 15 delivers powerful, deep bass without hitting its limits. Thus, it consistently provides high sound quality in any situation and ensures an impressive listening experience in your vehicle.

What is the resonance frequency of the Zv7 15 and what does it mean?

The resonance frequency of the Zv7 15 Subwoofer is 30.824 Hz. This low resonance frequency allows the subwoofer to efficiently produce particularly deep frequencies, leading to precise bass reproduction. The resonance frequency is a critical parameter as it marks the point at which the subwoofer operates most efficiently. Especially for low tones, it can thus optimally unleash its performance, which is particularly beneficial for music genres with a strong bass component.

What are the Thiele/Small parameters of the Zv7 15 and how do they affect its performance?

The Sundown Audio Zv7 15 Subwoofer has specific Thiele/Small parameters that define its sound characteristics. The quality factor (Qts) is 0.385 for D1 and 0.342 for D2, indicating a good balance between electrical and mechanical damping. The compliance (Cms) is 43.9942 µM/N and 47.022 µM/N, showing how easily the diaphragm responds to changes in air pressure. With a force factor (BL) of 23.647 NA to 34.26 NA, the driving strength and efficiency are highlighted. These parameters provide insights into its performance in bass reproduction.

What enclosure recommendations are there for the Zv7 15 Subwoofer?

For the Zv7 15 Subwoofer, certain enclosure types are recommended to achieve the best possible performance. A bass reflex enclosure with a volume of 113.27 liters is optimally supported, as it makes the bass reproduction particularly dynamic. Closed enclosures are not recommended for this model, as they do not provide the deep frequencies with the necessary space to resonate freely. For a 4th order bandpass, a volume of 56.63 liters is suggested on the closed side and 169.90 liters on the vented side, allowing for even more precise and penetrating bass.

What significance do the dimensions and port area have for the Zv7 15?

For the Zv7 15 Subwoofer, the cutout and port area are crucial for installation and the resulting sound quality. The cutout has a diameter of 28.17 cm, which must be considered when planning the installation. The port area is 387.10 cm², which ensures proper air circulation in a bass reflex enclosure to achieve powerful, deep tones. An incorrect port size could impair efficiency and lead to poorer sound, especially when reproducing low frequencies that are important for a rich bass experience.

What is the sensitivity of the Zv7 15 and how does it affect sound quality?

The sensitivity of the Zv7 15 is 91.582 dB for D1 and 89.316 dB for D2 (at 1 W / 1 m). This figure indicates how efficiently the subwoofer converts sound waves in relation to the power supplied. Higher sensitivity means that the subwoofer can achieve higher volumes even at lower power. This results in improved sound quality, especially at low volumes, providing an advantage for energy-saving systems. Particularly in situations where sound details are important, the high sensitivity shows its strength.

How are the different DC resistances of the Zv7 15 utilized?

The Zv7 15 offers DC resistances (Re) of 1.96 Ohms for D1 and 3.84 Ohms for D2. These different resistance values allow for flexible configurations during installation. Depending on the amplifier used and the desired power output, a specific wiring can be chosen. A lower resistance allows for more current flow and therefore more power, while a higher resistance means less strain on the amplifier. Thus, the choice of the appropriate resistance has significant effects on the performance and energy efficiency of the system.

Why is the maximum displacement of the Zv7 15 important for bass quality?

The maximum displacement, also known as Xmax, is a substantial 42 mm for the Zv7 15. This feature is crucial as it determines how far the diaphragm can move back and forth. A large displacement allows the Subwoofer to move more air, resulting in a more powerful and deeper bass reproduction. Especially if you enjoy listening to loud music or prefer strong bass, the high Xmax of 42 mm will provide an impressive bass experience and enhance the overall sound quality. Another advantage is that distortion is minimized at high excursions.

What is the mechanical quality of the Zv7 15 and what does it indicate?

The Zv7 15 has mechanical quality values (Qms) of 5.919 for D1 and 5.607 for D2, which describe its mechanical damping capacity. These values provide insight into how the mechanical forces act within the Subwoofer when the diaphragm is displaced. A higher mechanical quality indicates that less mechanical energy is lost, resulting in more efficient operation. This is particularly important for bass reproduction, as it supports the precision and clarity of the Subwoofer by minimizing unwanted vibrations and thus achieving more accurate audio outputs.

How is the compatibility of the Zv7 15 with common car models assessed?

Since the Zv7 15 is used in common bass reflex enclosures, physical dimensions such as the installation opening of 28.17 cm and the recommended port area of 387.10 cm² should be considered during installation. Although no specific car brands are mentioned, this Subwoofer is generally compatible with a variety of vehicle models due to its standardized dimensions. This means you can install it in any car that has enough space to meet the recommended enclosure requirements. Note that a professional installation ensures the maximum potential of the Subwoofer.

Manufacturer information/responsible person

JR Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

Your advantages with Masori

  • 3-year warranty

    Exclusive to Masori

  • Price guarantee

    Your price advantage

  • Pay in instalments

    Klarna & PayPal

  • Customer reviews

    Real experiences

  • An upgrade for your car and budget

    Advice by email