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PRV Audio 8MB450 v2 8" Pro Audio Midbass Speaker 8 Ohm

PRV AudioPart # 294-2999
Model: 8MB450 v2

The 8MB450 v2 PRV Audio 8" pro audio midbass woofer offers smooth lower response through a punchy mid bass range and the frequency response that takes your applications smoothly through the 7,500 Hz range.

Key Features

  • Smooth mid‑bass punch with clean vocal clarity
  • 450 W RMS handling ensures endurance at high output levels
  • 93.5 dB sensitivity offers efficient loudness with modest power
  • 2″ CCAW voice coil for reduced mass and better efficiency
  • Durable spider and woven surround for long‑term reliability
  • Thick yet lightweight cone delivers accurate frequency response
  • Optimized for sealed enclosures and compact installations
Your Price: $34.91
MSRP: $43.64
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Estimated back in stock 7/30/2025
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Overview

PRV Audio 8MB450 v2 8" Pro Audio Midbass Speaker 8 Ohm

PRV Audio 8MB450-4 v2 8" Pro Audio Midbass Speaker 4 Ohm

The 8MB450 v2, 8″ PRV Audio Pro Audio Midbass Woofer provides smooth low-end response with a punchy midbass, covering a frequency range that extends cleanly up to 7,500 Hz.

  • Smooth vocal response with powerful midbass punch
  • 450 Watts power handling for reliable performance at high volumes
  • Ideal as a door speaker in car audio systems
  • Perfect for replacing speakers in studio monitors, hi-fi cabinets, or car audio systems

The 2″ voice coil, robust spider suspension, and woven surround, all housed in a sturdy steel basket, enable long hours of use without sacrificing speaker efficiency. A thick yet lightweight rigid cone delivers precise response and reliable power handling.

The compact size and impactful punch of this pro audio driver make it ideal as a midrange in a 3-way loudspeaker cabinet, a woofer in studio monitors, or for home Hi-Fi setups. It also performs excellently as a car audio woofer.

Specifications

  • Nominal Diameter 8″ (203 mm)
  • Nominal impedance 4 Ohm
  • Nominal Power Handling 225 Watts
  • Continuous Program Power (RMS) 450 Watts
  • Max Peak Power 900 Watts
  • Sensitivity 2.00V at 1m 93.5 dB
  • Recommended Hi Pass Crossover** 120 Hz**
    **For Full Power Handling **12db Per Octave Crossover
  • Frequency Response at -10dB 75 – 7,500 Hz
  • Voice Coil Diameter 2″ (50 mm)
  • Voice Coil Wire CCAW
  • Voice Coil Winding Depth 12.0 mm
  • Former Material Kapton
  • Magnetic Gap Depth 6.0 mm
  • Frame Material: Stamped Steel
  • Overall Diameter: 8.27” (210 mm)
  • Front Mount Baffle Cutout: 7.17” (182 mm)
  • Mounting Depth: 3.37” (85 mm)
  • Overall Depth: 3.62” (92 mm)
  • Net Weight: 4.10 Lbs (1.86 kg)

*Nominal power handling is defined as the maximum RMS power that the speaker can handle in a 2-hour test with a pink noise with 6dB of crest factor and a bandpass filter with 12db/oct tuned in its usable frequency range.
**Continuous Program Power (RMS) is the maximum power that the speaker can handle considering a regular musical program using our recommended filters, this power can be used to define the optimum amplifier power to provide a clean signal without clipping or saturation.
***Max Peak Power is the maximum power operation for the speaker, this power is allowed just for a few fractions of a second, usually found just on the peaks of the music. Keeping this power for a little longer timer will damage the speaker.

Product Details

BrandPRV Audio
Model8MB450 v2
Part Number294-2999
UPC602938022309
Unit of MeasureEach
Weight4.55

Product Specifications

Nominal Diameter8"
Power Handling (RMS)225 Watts
Power Handling (MAX)450 Watts
Impedance8Ω
Frequency Response75 to 7,500Hz
Sensitivity93.5dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)74.7Hz
DC Resistance (Re)6.3Ω
Voice Coil Inductance (Le)0.25mH
Mechanical Q (Qms)26.56
Electromagnetic Q (Qes)1.09
Total Q (Qts)1.05
Compliance Equivalent Volume (Vas)0.64ft³
Mechanical Compliance of Suspension (Cms)0.225mm/N
BL Product (BL)7.37T·m
Diaphragm Mass Inc. Airload (Mms)20.14g
Maximum Linear Excursion (Xmax)4.5mm
Surface Area of Cone (Sd)241cm²

Materials of Construction

Voice Coil Wire MaterialCCA
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter8.27"
Baffle Cutout Diameter7.17"
Depth3.31"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.63ft³
Sealed F377.8Hz

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