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HOQS N216C 21-inch Subwoofer — Neodymium High‑Power Driver for HOQS Designs | NZ

Price

NZ$1,549.00

Sales Tax Included

The HOQS N216C 21-inch subwoofer is engineered for NZ sound system builders who demand extreme output, efficiency and reliability. Featuring a high‑grade neodymium motor, carbon fiber cone and advanced FEA‑optimized design, this driver delivers exceptional low‑frequency performance in HOQS Paraflex cabinets and a wide range of horn‑loaded and reflex enclosures.

Built for serious bass applications, touring rigs, HOQS systems and custom NZ audio projects.

Key Features

  • Very high Qms value for low mechanical losses

  • Carbon fiber cone for stiffness and durability

  • Bumped back plate for extended excursion

  • Ventilated voice coil former for cooling

  • 2000W nominal power handling

  • 4000W program power handling

  • Inside‑outside wound 150mm (6") OFC coil on fiberglass former

  • Dual Conex spiders, silicone‑treated for stability

  • Sturdy cast aluminum frame

  • Designed using Finite Element Analysis (FEA) for optimized motor force

Quantity

4- 6 Weeks

Suitable 21-Inch Subwoofer Speaker Designs

HOQS Paraflex Designs

  1. Paraflex Type C V1 - FB35hz and V2 - FB32hz

  2. Paraflex Type C2E - FB28hz

  3. Paraflex Type R - FB31hz

  4. Paraflex Type O - FB35hz and CRAM! FB27hz


Also Compatible with

  • Folded Horn (FLH)

  • Scoops

  • Rear‑Loaded Horn (RLH/BLH)

  • Quarter‑Wave Pipe (QWP)

  • Tapped Horn

  • Bandpass

  • Reflex enclosures

HOQS N216C SPECIFICATIONS

 

Specifications

Nominal Diameter

21"

Power Handling

2,000 W "Nominal"

Power Handling

4,000 W "Program"

Voice Coil Diameter

150 mm / 6"

Nominal Impedance

8 Ohms

Winding Material

Oxygen Free Copper Inside-Outside wound

Former Material

Fibreglass

Winding Depth

34 mm

Magnetic Gap Depth

14 mm

Cone Material

Carbon Fiber

Magnetic Material

Neodymium

Spider

Dual Silicone treated Conex Fabric

Back Plate

T Yoke 

 

 

 

 

Parameters

Sd

1669 cm²

Qts

0.30

Mms

434g

Fs

29.46 Hz

Re

6 Ohm

Η₀

2.374%

Vas

290 L

Le @ 1Khz

1.8488mh

BL

38Tm

Xmax

13.5 mm

Qes

0.31

Xmech Peak to peak

58 mm

Qms

14

Mmd

233 g

HOQS N216C MOUNTING AND SHIPPING INFORMATION


Mounting & Shipping Information

Overall Diameter

545 mm / 21.45"

Bolt Circle Diameter

518 mm / 20.39"

Cutout Diameter

495 mm / 19.49"

Total Depth

277 mm / 10.90"

Bolt Hole Diameter

8.5 mm

Number of Bolt Holes

8

Net Weight

20.9 kg

Shipping Weight

25.kg


Returns Policy

 Here at Subcity Audio Ltd, we want you to be confident in your purchase. The following returns policy applies to all customers.

​

1. Defective or Damaged Goods

If an item arrives defective or damaged, you must notify us in writing within 7 days of delivery.

 We may arrange for inspection and, where appropriate, issue a replacement or refund.

2. Change of Mind Returns

 If we accept a return for non-defective goods:

  • The goods must be returned within 14 days of delivery

  • A 10% restocking fee will apply

  • The goods must be unused, in original packaging, and in resalable condition

  • Freight charges are non-refundable

  • Return freight is the customer’s responsibility

  • Please allow 7 days for processing an approved refund

3. Exclusions

We cannot accept returns of:

  • Special-order or custom-fabricated goods

  • Items returned outside the 14-day window

  • Goods that have been installed, used, or damaged after delivery

4. How to Arrange a Return

To request a return, please email:

5. Consumer Guarantees

Nothing in this policy limits your rights under the Consumer Guarantees Act 1993, where applicable. However,     

if you are acquiring   goods or services for the purpose of a business, you agree that the Act does not apply.

Looking to Buy Multiple Drivers or Accessories and Want a Package Deal?

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