Ciare PWA6.38 – 6.5″ High-Efficiency Mid-Bass Driver
The Ciare PWA6.38 is a 6.5-inch (165 mm) low/mid-bass driver designed for high-performance, compact audio systems. Built in Italy with rugged materials, this driver brings solid mid-bass response, impressive power handling, and reliable efficiency in a small package. Whether used in portable PA tops, stage monitors, compact full-range cabinets, or OEM speaker builds, the PWA6.38 delivers lively, precise sound without compromise.
This driver’s blend of strong thermal design, consistent sensitivity, and rugged construction makes it well suited for both touring and installed sound environments where size, weight, and performance are equally important.
Mid-Bass Clarity and Bandwidth
With its nominal diameter of 165 mm (6.5 in), the Ciare PWA6.38 excels in reproducing low-mid and mid frequencies with punch and clarity. It operates in a frequency range from 80 Hz to 7,000 Hz, providing enough extension down low for bass fundamentals, while also enabling clean midrange and upper-mid detail.
This bandwidth gives designers flexibility: it can serve as the mid-bass in two-way systems, fill cabinets, or even be stretched into upper registers when paired with complementary tweeters. The result is mids that sound tight, vocals that stay clear, and musical content that remains engaging without harshness or muddiness.
Power Handling and Efficiency
The Ciare PWA6.38 is rated with nominal power handling of 150 W and continuous (program) power rating of 300 W, giving it the headroom to handle dynamic peaks reliably. Its 38 mm (1.5 in) voice coil is constructed for thermal stability and mechanical integrity, helping the driver withstand high-SPL demands in small enclosures or exposed front-of-house use.
Efficiency is equally strong: the PWA6.38 has a sensitivity of 90.5 dB (1W/1m), meaning it produces usable volume with modest amplifier power. This efficiency helps in systems where amplifier capacity, weight, or power draw are constrained.
Electrical Behavior and System Compatibility
The driver offers a nominal impedance of 8 Ω, with a minimum impedance of 6 Ω, providing stable load behavior that system designers can rely on. The well-controlled impedance curve ensures fewer surprises when matching with amplifiers, crossover networks, or cabinet designs.
This stability makes the PWA6.38 a safe choice for both passive and bi-amped systems, reducing the need for compensatory equalization or correction just to achieve expected power and frequency response.
Mechanical Build and Durability
Ciare has engineered the PWA6.38 to stand up to real world use. It includes a treated paper cone that’s water-repellent, a single-roll rubber surround for controlled excursion, and a robust steel basket with competent venting to manage airflow. These mechanical elements keep distortion low and integrity high, even at higher volumes or in less than ideal conditions.
The drive unit’s components are selected to reduce fatigue over time—voice coil former materials, surround shape, and suspension all combine to maintain performance show after show.
Ideal Use Cases
The Ciare PWA6.38 is particularly strong in applications like:
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Compact mid-bass modules in portable PA tops
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Stage monitors or wedge cabinets where mid clarity matters
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Fill speakers in larger systems needing clean mid-frequency support
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OEM speaker builds demanding reliable performance in limited space
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Two-way full-range cabinets with mild low extension
For setups where you need mid-bass presence without bulk, the PWA6.38 delivers consistently.
Specifications
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Nominal Diameter: 165 mm (6.5 in)
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Voice Coil Diameter: 38 mm (1.5 in)
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Continuous Power Handling: 300 W
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Nominal Power Handling: 150 W
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Nominal Impedance: 8 Ω
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Minimum Impedance: 6 Ω
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Frequency Range: 80 Hz – 7,000 Hz
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Sensitivity: 90.5 dB (1W/1m)
Performance Highlights
The Ciare PWA6.38 offers balanced performance. Despite its small size, its power-handling and efficiency allow sound systems to push mid-bass presence without distortion or overheating. Transient response remains good thanks to the lightweight cone, and the mechanical design helps avoid breakup and audible artifacts even under higher demands.
In vented or sealed cabinets optimized for low-mid performance, the PWA6.38 gives remarkable output before needing more driver size.
Conclusion
If you’re designing a system where size, clarity, and efficiency must all work together, the Ciare PWA6.38 is a strong candidate. It provides solid mid-bass extension, clean voice and instrument reproduction, and enough power handling to deal with dynamic content without strain.
For portable rigs, fills, OEM builds, or compact main speaker boxes—whenever you need reliable mid-bass performance from a compact drive unit, Ciare PWA6.38 offers a dependable, well-engineered solution.

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About Ciare
Ciare products are proudly manufactured in Italy, with production rooted in tradition and precision engineering. Built in their advanced facility near Ancona, Ciare combines Italian craftsmanship with cutting-edge automation and strict quality control to deliver components that meet the highest standards. With decades of experience in the Pro Audio industry, Ciare has earned its reputation as a trusted name for speaker builders worldwide—offering reliable, high-performance solutions that deliver real value without compromise.








