Hertz · Updated July 2026
Hertz Mille Pro MPS 300 S4: price & specs
The Hertz Mille Pro MPS 300 S4 costs $680, #5 cheapest of 7 car subwoofers (median $449.95). It earns a Bronze Deskmark — 24/100 pay-blind standing, #8 of 10 in class.
Verified Jul 11, 2026 · figures linked to their source in the table below
Hertz Mille Pro MPS 300 S4. Every price and spec below is linked to its source and dated — no guesses.
Source: hertz-audio.com verified ✓ corroborated verify in ledger
Is the Hertz Mille Pro MPS 300 S4 a good buy?
At $680, the Hertz Mille Pro MPS 300 S4 is #5 cheapest of the 7 car subwoofers we track, where the median is $449.95. On the spec sheet, its peak power watts of 1000 is the lowest of the 9, its impedance ohms of 4 is the highest of the 10, and its mounting depth of 3.46 in is the lowest of the 9.
Specifications
| Price (US) | $680 US retailer Safe and Sound HQ lists this exact model (SKU MPS300S4) at "Regular price $680" with a "Sale price $599.99". The manufacturer page shows no price. Using the $680 regular/list price as the MSRP-equivalent; both figures appear verbatim on the retailer page. |
|---|---|
| Brand | Hertz |
| Released | — |
| Cone size (in) | 12 |
| Rms power watts | 500 |
| Peak power watts | 1000 |
| Impedance ohms | 4 |
| Voice coil config | single-voice-coil |
| Sensitivity (dB) | 85 |
| Frequency response (Hz) | 25-400 |
| Enclosure type | component-driver |
| Mounting depth (in) | 3.46 |
| Xmax (mm) | — |
| Weight (lb) | 14.64 |
Source: hertz-audio.com (verified 2026-07-11) · corroborated by safeandsoundhq.com. The Hertz manufacturer page (hertz-audio.com/product/mps-300-s4/) confirms the exact model "MPS 300 S4" and provides the full spec table used here: 300 mm (12 in), 500 W continuous / 1000 W peak, 4 Ohm single voice coil, 88 mm (3.46 in) depth, 25-400 Hz, Spl 85 dB, Xmax 16.80 mm, and 6.64 kg (14.64 lb). Safe and Sound HQ (US retailer) corroborates the identical model (SKU MPS300S4, UPC 8018823136969) with the same spec figures and supplies the only US pricing: regular price $680, sale price $599.99. No price is shown on the manufacturer page, so the price is sourced solely from the retailer; it ships as a raw component driver (with grille) requiring a separate sealed/reflex enclosure.
Is the Hertz Mille Pro MPS 300 S4 worth it vs cheaper car subwoofers?
Hertz Mille Pro MPS 300 S4 against its closest cheaper and pricier car subwoofers on the specs that matter — every value sourced. See all 7 ranked →
| Product | Price | Cone size (in) | Rms power watts | Peak power watts | Impedance ohms | Voice coil config |
|---|---|---|---|---|---|---|
| Hertz Mille Pro MPS 300 S4 this | $680 | 12 | 500 | 1000 | 4 | single-voice-coil |
| Alpine R2-W12D4 (Type-R) | $449.95 | 12 | 750 | 2250 | 4 | dual-voice-coil |
| Audiomobile Encore 4412 | $799 | 12 | 1000 | 4000 | 4 | dual-voice-coil |
Frequently asked questions
How much does the Hertz Mille Pro MPS 300 S4 cost?
The Hertz Mille Pro MPS 300 S4 has a US price of $680 (US retailer Safe and Sound HQ lists this exact model (SKU MPS300S4) at "Regular price $680" with a "Sale price $599.99". The manufacturer page shows no price. Using the $680 regular/list price as the MSRP-equivalent; both figures appear verbatim on the retailer page.), as of 2026-07-11.
How does the Hertz Mille Pro MPS 300 S4 compare on price?
At $680, the Hertz Mille Pro MPS 300 S4 is #5 cheapest of the 7 car subwoofers we track, where the median is $449.95.
What are the Hertz Mille Pro MPS 300 S4's key specs?
Hertz Mille Pro MPS 300 S4 (Hertz): coneSizeIn 12, rmsPowerWatts 500, peakPowerWatts 1000, impedanceOhms 4, voiceCoilConfig single-voice-coil. Full sourced spec sheet verified 2026-07-11.
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Compare with
Head-to-head
- Hertz Mille Pro MPS 300 S4 vs JL Audio 12W7AE-3
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- Hertz Mille Pro MPS 300 S4 vs Kicker Solo-Baric L7S 44L7S124
- Hertz Mille Pro MPS 300 S4 vs Alpine R2-W12D4 (Type-R)
- Hertz Mille Pro MPS 300 S4 vs Skar Audio EVL-12 D2
- Hertz Mille Pro MPS 300 S4 vs Sundown Audio SA-12 v.2 D2
- Hertz Mille Pro MPS 300 S4 vs Audiomobile Encore 4412
Cheaper car subwoofers
- Alpine R2-W12D4 (Type-R) $449.95
- Sundown Audio SA-12 v.2 D2 $419.99
- Kicker Solo-Baric L7S 44L7S124 $379.99
- Pioneer TS-W311S4 Champion Series $58.88
Step up
- Audiomobile Encore 4412 $799
- JL Audio 12W7AE-3 $1449.99