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Description
audison APS 10 S4SPrima compact subwoofer family expands with the introduction of the new 25 cm (10 in.) APS 10 S4S, optimized for enclosures with a reduced volume starting from 10 liters. The configuration of the single 4 ohm voice coil makes it ideal to be driven by the new AP F8. 9 bit amplifier with built in DSP that delivers an outstanding 260 W RMS with two channels bridged. Also interesting is the possibility to create custom enclosures with two APS 10 S4S
Prima compact subwoofer family expands with the introduction of the new 25 cm (10 in.) APS 10 S4S, optimized for enclosures with a reduced volume starting from 10 liters. The configuration of the single 4 ohm voice coil makes it ideal to be driven by the new AP F8.9 bit amplifier with built-in DSP that delivers an outstanding 260 W RMS with two channels bridged. Also interesting is the possibility to create custom enclosures with two APS 10 S4S driven by the AF M1D amplifier using the 540 W RMS delivered on the 2 ohm load resulting from the drivers connection in parallel.
Technical Specs
| Nominal diameter | 250 mm (10 in) |
| Impedance | 4 Ohm |
| Power Handling - Peak | 800 W |
| Power Handling - Continuous | 400 W |
| Sensitivity | 83.5 dB |
| Voice Coil Ø | 60 mm |
| Magnet Material | HIGH DENSITY FLUX FERRITE |
| Magnet size D x d x h | 140 x 70 x 30 mm (in.) |
| Cone Material | WATER REPELLENT PRESSED PAPER |
| Xmax | 12.6 mm (0.5 in) |
| Xmech | 18 mm (0.71 in) |
| Driver Displacement Volume | 1.12 l (0.04 ft) |
Electric-acoustic Specs
| Re | 3.7 Ohm |
| Fs | 28.5 Hz |
| Le | 1.9 mH |
| Vas | 39.62 l (1.399 ft) |
| Mms | 160 g (5.644 oz) |
| Cms | 0.2 mm/N |
| BL | 12.9 T•m |
| Qts | 0.68 |
| Qes | 0,75 |
| Qms | 6.9 |
General
| Weight | 5.24 kg |
Features
- Ultra-low profile (4.7 in. / 120 mm) for maximum installation flexibility.
- Designed to deliver maximum performance in a sealed enclosure starting from 10 lt.
- Special-designed cone-dust cap-basket geometry guarantees a long linear excursion capability (11 mm, one-way) while keeping the mounting depth to a minimum.
- Air vents on the basket underneath the spider, eliminating the need for the central pole vent allowing mounting close to the rear wall of the enclosure.
- Massive motor assembly, optimized with FEM (Finite Element Modeling) for perfect control under high power, high excursion conditions.
- Water-repellent treated paper 10 in. cone, featuring a profile developed with FEM simulation and optimized with the Klippel Scan Vibrometer.
- Single voice coil design specifically developed to be combined with either AF M8.4 bit (2 CH bridged 260 W RMS) amplifiers taking advantage of the bass boost feature and integrated parametric equalizer of the built-in DSP.
- Steel mesh grille and plastic gasket included. –
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Good looking shoe.
Size: 9 Wide, Color: Cognac
It's a good looking should which is true to size. Quality is good. However, it is not leather. Inner and outer covering are man made. For me, it's okay. I ordered a 9W which I knew would be no more than a triple E width. I'm actually a quadruple E width so it's taking a little longer to break in. I won't be using these as often as at this stage of my life, I don't have that have functions that require dressier shoes. I'm happy with this purchase, a good value for the price. The slip in feature works well like my Sketcher slip in.
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Reviewed in the United States on July 27, 2025
★★★★★ 5
Coach
Color: Silver
Bought for my son’s prom! It’s exactly what I wanted
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Hermoso 🤩
Color: Gold Plated
Fenomenal , estraudinario súper elegante me encantó la verdad la marca COACH no me deja de solprender y además es original de la mina tienda y con su sello de su autenticidad 💯 de 💯
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Reviewed in the United States on April 11, 2026
★★★★★ 3
Not so green
Color: Gold Plated
It's a nice watch but the green is so dark it looks more black than green
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Reviewed in the United States on April 22, 2026
★★★★★ 5
this watch is beautiful and classic - with a twist
Color: Gold Plated, Color: Gold Plated
This Coach Oliver watch has all the elements of a classic men's watch. It has a gold-tone stainless steel link metal band, three hands, and a date window. Minimalist and perfect. There is a good, solid heft to it, and it is a great size that makes a statement without being too much for everyday wear. What makes it a little extra special to me is the green watch face, which has a three-dimensional, almost iridescent effect. It catches the light beautifully. It does have a Coach brand name on the face and the clasp, but it's subtle enough that it doesn't scream the brand name. This is just a beautiful, classic men's watch design, with a cool pop of color, design and texture that sets it apart. It comes gifting-ready, but no instructions are included, though figuring out how to set it is easy. It runs on a battery, with maintenance recommended every three to five years. Coach watches are made by Movado, and the quality shows in every detail. It's a beauty.
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Reviewed in the United States on November 12, 2025