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BW25

Sundown X15 v4

Regular price 1.299,00€
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Free shipping from 49€

Shipping

✓ Free shipping from 49€ within Germany and from 99€ to the EU.

✓ Delivery times vary depending on the product and can be found on the product page, usually 1 - 3 working days for stock items, international shipping times vary, usually 6 - 10 working days.

✓ In most cases, shipping is carried out by DHL, UPS and GLS.

✓ Depending on the product and location, items can also be shipped with other providers.

✓ Tracking will be sent by email after the shipment has been processed.


Normal shipping route

✓ 1 - 40Kg = DHL, UPS and GLS

✓ 40.1 - maximum kg = forwarding agency

✓ Bulky goods = freight forwarder

✓ Customs shipments = DHL, GLS or freight forwarder

Parcel collection

✓ Collection takes place regularly from Monday to Friday, orders received by 3 p.m. are usually disposed of on the same day for goods in stock and transported directly to the parcel center.

5% discount for prepayment

Receive a 5% pre-payment discount. The discount is automatically deducted in the shopping cart/checkout and is valid for all products. Vouchers or discount codes may be excluded or already combined.

Wiring wizard & port computer

Use our wiring wizard for simple wiring of speakers and subwoofers! The correct connection is important for your amplifier! Low-impedance operation can damage the amplifier! The data sheet shows you which connection the respective amplifier is designed for!

Our port calculator shows you which tuning your enclosure has! The net volume is always particularly important here; calculate the pure chamber of the subwoofer beforehand to arrive at the correct result. The net volume is calculated minus all displacements and is important when designing the enclosure.

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Name: Sundown Audio

Address: Heinrich-Hertz-Straße 13A, 46325 Borken

Email: info@jr-labs.eu

Website: https://jr-labs.de/

European Manufacturer: No


The Sundown Audio 12" XV4 subwoofer was developed for true bass lovers who expect enormous precision and power. Thanks to the advanced X v.4 coil technology, this subwoofer sets new standards with exceptional reproduction and high durability.

Whether you are upgrading your audio system or putting together a competition setup, the XV4 delivers an enormous power handling capacity of up to 6000 W peak power with high precision and control. Its 30 mm Xmax provides deep, punchy bass without distortion, even at high levels.

Equipped with a powerful motor and an optimized cone, the XV4 offers an excellent cooling principle and constant performance even under full load. Its 12-inch design is a perfect fit for bass reflex enclosures and provides the ideal balance between performance and sound quality.

Upgrade your vehicle with the Sundown XV4 - where craftsmanship meets unsurpassed sound quality.

Key features:

✓ Powerful 3000 W RMS / 6000 W peak power
✓ Advanced X v.4coil design for improved efficiency
✓ 12-inch subwoofer with deep, accurate bass response
✓ Optimized for bass reflex enclosures (2.5 cubic feet (56.6l) / 32 Hz tuning)
✓ 30 mm Xmax for maximum excursion and clean bass
✓ Highly efficient motor structure with strong BL factor
✓ Robust construction for competition level use
✓ Dual 1-ohm and dual 2-ohm impedance options

Specification XV4 12D1 XV4 12D2
RMS power 3000 W 3000 W
Peak power 6000 W 6000 W
Displacement 56,6L 56,6L
Mounting depth 29,85cm 29,85cm
Outer diameter 32,55cm 32,55cm
Cut-out diameter 28,2cm 28,2cm
Motor diameter 23.5cm 23,5cm


TSP: D1 D2
Sd (conical surface) 44.11 44.11
Re (Ω) 2.05 3,25
Fs (Hz) 39,39 36,06
Vas (L) 14.13 15,75
Qes 0,58 0,54
Qms 4,95 4,82
Qts 0,50 0,49
Le (mH) 1,33 2.6
BL (NA) 24.4 22,25
Mms (g) 343,14 367,13
CMS 47,56 53,04
Sensitivity (dB) 83,47 83,06


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