Selecting High-Performance 6.5-Inch Woofer Units for Automotive Audio Projects

SP-16575RS-001 6.5-Inch Woofer used in automotive audio system
SP-16575RS-001 Woofer for automotive audio

Meeting Automotive Audio Project Requirements

For automotive audio engineers, system integrators, and project managers, consistency and reliability are key to ensuring that a speaker unit performs identically from prototype testing to final mass production.

In the confined acoustic environment of a vehicle cabin, achieving deep and accurate low-frequency response without distortion is a challenge. A well-designed Woofer unit not only enhances the richness of in-car sound but also minimizes tuning time and reduces the risk of quality variation between batches.

Recommended Unit: SP-16575RS-001

The 6.5-Inch Woofer – SP-16575RS-001 is engineered specifically for automotive and embedded audio systems, delivering stable low-frequency performance with proven reliability under production conditions.

Key Highlights:

  • Type & Voice Coil: 38mm core dynamic speaker designed for powerful and smooth bass response.
  • Mechanical Specs: Ø165mm diameter, 75mm height, Ø110mm magnet, black paper cone diaphragm, iron frame.
  • Performance: Rated power 80W, max 100W, 4Ω impedance, SPL 89dB (1m/1W), frequency response 60Hz–10kHz.
  • Reliability: Endurance tested under load, temperature, humidity, and shock to ensure long-term stability in vehicle conditions.

Once the sample passes evaluation, customers can expect identical performance in every production batch— a crucial advantage for OEM and system integration projects.

Typical Applications

  • Automotive Audio Upgrades: Ideal for building low- and mid-frequency modules with impactful bass.
  • OEM Automotive Systems: Consistent woofer response supports streamlined assembly and sound tuning.
  • Smart Cockpit & Multimedia: Stable low-mid frequency reproduction enhances voice clarity and entertainment audio balance.

Testing & Quality Assurance

Each SP-16575RS-001 unit is tested according to IEC 268-5 standards using the baffle method, verified by SOUND CHECK acoustic analysis in an anechoic chamber. Frequency and impedance curves are recorded to confirm performance consistency.

SP-16575RS-001 Frequency Response Curve showing SPL versus Frequency
SP-16575RS-001 Frequency Response Curve (SPL vs Frequency)

For automotive audio developers seeking a reliable low-frequency unit, the SP-16575RS-001 Woofer offers stable output, strict quality control, and consistent sound across all production runs.

Samples are available for evaluation. Once approved, bulk production maintains the same acoustic standard as the tested sample.

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