d&b audiotechnik C7 for Sale | Compact 3-Way Professional Loudspeaker

The d&b audiotechnik C7 for sale is an established three-way professional loudspeaker designed for focused medium-to-long-throw sound reinforcement. Instead of relying on a conventional two-way configuration, the C7 combines dedicated low, mid and high-frequency sections inside a relatively compact cabinet. Its controlled 75° × 40° nominal dispersion makes it particularly useful for professional venues, touring inventories and existing d&b C-Series systems.

The C7 belongs to an earlier generation of d&b professional equipment. Therefore, this listing is best suited to buyers who value the C7 platform specifically, need additional matching cabinets, or want to maintain an existing compatible system.

Three-Way Design in a Compact Cabinet

The C7 uses separate driver sections to reproduce different parts of the frequency spectrum.

The supplied configuration consists of:

• 2 × 6-inch long-excursion LF drivers
• 1 × 8-inch horn-loaded MF driver
• 1 × 1.4-inch HF compression driver
• Three-way acoustic architecture
• Approximately 75° × 40° dispersion

This dedicated three-way arrangement allows the cabinet to handle the low, mid and high-frequency bands through components optimized for their respective operating ranges.

As a result, the C7 differs significantly from simpler full-range cabinets that rely on only one LF driver and one compression driver.

d&b C7 Specifications

*Maximum output depends on the applicable amplifier, configuration and measurement conditions.

Focused 75° × 40° Coverage

Coverage is one of the important characteristics of the C7.

Its approximately 75° horizontal × 40° vertical dispersion provides a more focused radiation pattern than very wide general-purpose loudspeakers.

That can be useful when a system designer needs to concentrate coverage on a defined audience area while limiting unnecessary acoustic energy elsewhere.

Furthermore, multiple cabinets can form appropriately designed horizontal configurations when greater coverage is required.

Designed for Medium-to-Long Throw Applications

The C7 was developed with professional projection in mind.

Its horn-loaded mid-frequency section and dedicated HF compression driver help the cabinet maintain controlled output through the critical vocal and high-frequency ranges.

Consequently, potential applications include medium-range FOH duties, theatre systems, live-event production and professional installed sound.

The C7 can also serve as an expansion cabinet for businesses already operating compatible d&b C-Series inventory.

Professional Low-Frequency Section

Two 6-inch long-excursion drivers handle the cabinet’s LF section.

The supplied specifications state approximately 400 W RMS / 2,000 W peak for the LF section.

However, the C7 is not intended to replace a dedicated professional subwoofer. Its stated lower frequency range begins at approximately 115 Hz.

Therefore, applications requiring substantial bass extension should pair the cabinet with an appropriate compatible subwoofer system.

Pairing C7 with d&b Subwoofers

For full-range professional applications, C7 cabinets have traditionally operated alongside suitable d&b low-frequency systems.

Depending on the system configuration, this may include C-Series subwoofer inventory such as the C7-SUB or other compatible d&b solutions.

This separation allows the C7 to concentrate on its intended operating range while dedicated subwoofers reproduce the lower frequencies.

For buyers building a complete C-Series package, matching the loudspeakers with the correct subwoofer, amplification and processing is therefore important.

Built for Professional Use

The C7 enclosure uses robust plywood construction with a hardwearing finish suited to professional environments.

A perforated metal grille protects the drivers, while acoustic foam provides additional protection behind the grille.

Furthermore, recessed handles make the cabinet easier for professional crews to position and transport.

At approximately 34 kg, the C7 remains manageable compared with many larger three-way touring enclosures.

Approximate Cabinet Dimensions

Height: 310 mm
Width: 580 mm
Depth: 406 mm
Weight: approximately 34 kg

Its compact dimensions can be useful where available installation or stage space is limited.

EP5 and NL4 Versions

Depending on the production version, C7 cabinets may use EP5 or NL4 connections.

For that reason, buyers should confirm the connector type on the exact units being purchased rather than assuming every C7 cabinet uses the same connection.

This is particularly important when expanding an existing system because cable inventory and amplifier rack wiring must match the purchased cabinets.

Amplification and Processing Matter

Correct d&b processing is an essential part of operating professional d&b loudspeakers.

Therefore, buyers should use only an amplifier and controller configuration officially compatible with the exact C7 version.

This is especially important with an established product such as C7. Modern d&b amplifier families have evolved considerably since the C-Series was introduced, so compatibility should be confirmed against current manufacturer documentation rather than assumed.

Appropriate processing helps manage system response, protection and overall loudspeaker performance.

Horizontal Array Possibilities

The C7’s coverage characteristics also allow multiple cabinets to work in professionally designed horizontal arrangements.

Such configurations can help increase horizontal audience coverage while maintaining the system’s controlled vertical behavior.

However, simply placing several cabinets together does not guarantee correct coverage. Cabinet positioning, angles, processing and acoustic interaction all matter.

Therefore, larger C7 configurations should be designed and installed by experienced professional system technicians.

Useful for Existing C-Series Inventories

For an established d&b user, additional C7 cabinets may offer more value than replacing an entire compatible system.

For example, rental companies may need matching cabinets to expand an existing inventory, replace reserve units or create additional system configurations.

Venues already operating C7 may also prefer maintaining matching loudspeakers rather than introducing a completely different platform.

This makes the C7 particularly relevant to the professional used-equipment market.

Where the d&b C7 Fits

Depending on the complete system design, C7 cabinets can be considered for professional environments such as:

• Live music venues
• Theatre sound
• Professional PA rental
• Corporate productions
• Medium-range FOH coverage
• Performance venues
• Event production
• Distributed professional sound
• Existing d&b C-Series systems
• Touring inventory expansion

The relatively compact cabinet also makes it useful where larger touring enclosures would consume too much physical space.

Buying Previous-Generation Professional Equipment

The C7 should be presented accurately as an established previous-generation d&b product, rather than as a current model.

When purchasing used C7 cabinets, professional buyers should consider more than cosmetic appearance.

Important checks include driver originality, connector type, service history, enclosure condition, rigging hardware and compatibility with the intended amplification platform.

This type of detailed product information gives buyers a much clearer picture than simply advertising the cabinet based on its maximum SPL.

European Supply

The C7 can be supplied to professional customers in supported European markets, including Germany, the Netherlands, France and Italy.

Because quantities may vary, buyers looking for several matching cabinets should confirm current stock before ordering.

Freight costs will depend on quantity, destination and whether additional equipment such as subwoofers, amplifiers or cases forms part of the shipment.

Frequently Asked Questions About the C7

Is the d&b C7 a two-way or three-way speaker?

The C7 is a three-way professional loudspeaker, with separate LF, MF and HF components.

Which drivers are inside the C7?

The supplied configuration consists of two 6-inch LF drivers, one 8-inch horn-loaded midrange driver and one 1.4-inch HF compression driver.

What coverage does the C7 provide?

The nominal dispersion is approximately 75° horizontal × 40° vertical.

Does the C7 need a subwoofer?

For applications requiring full-range bass reproduction, a suitable subwoofer is recommended because the C7’s stated response begins at approximately 115 Hz.

How heavy is a C7 cabinet?

The stated weight is approximately 34 kg.

Does every C7 use the same connector?

No. Depending on the version, C7 cabinets may be found with EP5 or NL4 connectivity. Confirm the connection on the actual equipment before purchase.

Is the C7 still a current d&b product?

No. It belongs to an earlier generation of d&b professional loudspeaker technology. This makes it particularly relevant to businesses maintaining compatible C-Series systems.