


Performance Optimized · Datasheet
Performance Optimized Down Fire Sealed Dual 10" Enclosure | ResoNix GUS-10 Dual 10" Sealed enclosure
- Net volume
- 0.60 cu ft per chamber, 1.20 cu ft total after displacement
- Max mounting depth
- 101.5mm / 3.996 in, ResoNix spec
- External dimensions
- 30 in W × 8.3125 in H × 15 in D
- Front baffle
- 1.5 in double baffle at both driver positions, outer layer flush recess
- Alignment: 0.60 cu ft net per chamber, 1.20 cu ft total, ResoNix's own D4 target. Qtc 0.688 / F3 39.5 Hz (D4), Qtc 0.603 / F3 43.4 Hz (D2)
- Chambers: Two fully separate sealed chambers, 3/4 in MDF full divider, one shared side mounted terminal cup
- Drivers: Pair of ResoNix GUS-10 D2 or D4, 500W RMS each, 1000W combined, 18mm Xmax, 3.996 in mounting depth
- Standoffs: Included, ResoNix specifies 55mm minimum from baffle surface to the floor
- Cabinet: 30 in W x 15 in D x 8.3125 in H in down fire position, excludes standoffs, square corners
Technical specifications
| Series | Proline X Performance Optimized Down Fire |
|---|---|
| Compatible Driver | ResoNix GUS-10, Dual 2-Ohm or Dual 4-Ohm. Pair required, direct fit |
| Enclosure Type | Sealed, dual driver, down fire, floor coupled |
| Chamber Configuration | Two fully separate chambers, full divider, single shared side mounted terminal cup |
| Firing Direction | Downward into the floor, both drivers. Endorsed by ResoNix. Standoffs included and required |
| External Width | 30 in |
| External Depth | 15 in |
| External Height | 8.3125 in, measured in down fire position, excludes standoffs |
| Dimension Reference | All external dimensions measured in down fire position, excludes standoffs |
| Internal Volume, Gross | 1.27 cu ft total |
| Internal Volume, Net Acoustic | 0.60 cu ft per chamber, 1.20 cu ft total after displacement |
| ResoNix Target For 0.707 Qtc | 0.6 cu ft (D4) / 0.4 cu ft (D2), per driver |
| System Qtc Per Chamber | 0.688 (D4) / 0.603 (D2) |
| Predicted F3 Per Driver | 39.5 Hz (D4) / 43.4 Hz (D2) |
| Driver Fs | 21.76 Hz (D4) / 20.37 Hz (D2) |
| Driver Qts | 0.39 (D4) / 0.34 (D2) |
| Driver Vas | 36.035 L (D4) / 36.634 L (D2), each |
| Driver Xmax | 18mm one way linear, Klippel verified |
| Driver Displacement | 0.031 cu ft each, published by ResoNix |
| Driver Power Handling | 500 W RMS each, 1000 W RMS combined. Do not exceed |
| Driver Cone | Nomex honeycomb core with carbon fiber facing |
| Driver Voice Coil | Copper on titanium former |
| Driver Motor | Patent pending FEA optimized overhung, full length copper shorting sleeve, copper and aluminum shorting rings |
| Voice Coil Configuration | Dual voice coil per driver, impedance set at the drivers |
| Rear Venting | Vented rear cone assembly. Pole vent may be fully obstructed, ResoNix spec |
| Mounting Depth | 101.5mm / 3.996 in, ResoNix spec |
| Woofer Opening | 235.08mm / 9.255 in, direct fit, each position |
| Min Front Clearance | 55mm from baffle surface, ResoNix spec |
| Standoffs | Custom fit, included. Maintain the ResoNix required floor clearance |
| Material | Langboard Elite 3/4 in MDF |
| Construction | ShopSabre CNC cut, dado and V groove joinery, perimeter cross brace |
| Panel Thickness | 0.75 in |
| Front Baffle | 1.5 in double baffle at both driver positions, outer layer flush recess |
| Chamber Divider | 3/4 in MDF, full bonded panel |
| Corner Profile | Square, Down Fire series standard |
| Driver Mounting | 8/32 threaded inserts, stainless machine screws included, 2 sets |
| Terminal Cup | One Proline X ABS and carbon fiber composite, side mounted |
| Internal Wiring | 12 gauge OFC, pre-wired in parallel to both driver positions |
| Damping | Polyfill pre-installed per chamber |
| Carpet | Plush Black |
| Weight | 38 lb |
| Warranty | 1 Year Limited, enclosure |
| Built In | Tullahoma, Tennessee |
Performance in this enclosure
01Is it a sealed driver?
Efficiency bandwidth product places the motor before anything else is decided.
02What the box does to it
0.60 cu ft against a 36.6 L Vas.
03The watts that reach Xmax (in this enclosure)
Travel scales with the square root of power, so there is one wattage that puts the cone exactly on 18.0 mm — and a bigger one once a subsonic filter stops it wasting travel below the passband.
| Param | Value | Unit | Note |
|---|---|---|---|
| Fs | 20.37 | Hz | free-air resonance |
| Qts | 0.340 / 0.390 | D2 / D4 | |
| Vas | 36.63 / 36.03 | L | equivalent compliance |
| Sd | 346.4 | cm² | effective piston area |
| Xmax | 18 | mm | one-way linear travel |
| Pe | 500 | W | continuous RMS |
| SPL | 81.4 | dB | 1 W / 1 m, derived from T/S |
Driver parameters as published by resonixsoundsolutions.com. Curves computed against this enclosure’s actual net airspace.
Installer's take
Exactly 0.60 cubic feet net per chamber. Not approximately, not close enough. That is ResoNix's own published volume for 0.707 Qtc on the GUS-10 Dual 4-Ohm, and the cabinet was sized to hit it on the nose.
Each driver lands at Qtc 0.688 with F3 at 39.5 Hz on the D4. On the D2 it is 0.603 and 43.4 Hz, more damped than ResoNix's 0.4 target but a clean, tight alignment in its own right.
Separate chambers as always. Two drivers sharing one volume interact acoustically, each one's compression stroke becoming the pressure environment the other works against, which smears transients. A full-height bonded divider stops it. Each driver gets its own 0.60 and its own polyfill.
The GUS-10 is worth understanding before you buy. Patent pending FEA-optimized overhung motor, full length copper shorting sleeve sitting outside the gap with the coil between the former and the sleeve, titanium voice coil former to kill eddy current drag and route heat away from the neo magnet, Nomex honeycomb cone with carbon fiber facing. ResoNix publishes complete Klippel LSI and TRF data on every one and commits to doing it for every production batch. Across every driver family in this program, that transparency is unique.
Two build notes. The vented rear cone assembly means the pole vent can be fully blocked, so no clearance allowance is needed behind the motors. And ResoNix requires 55mm from the baffle surface to whatever sits in front of the cone, which on a down fire cabinet is the floor. Custom standoffs are included and they are not optional equipment.
500 watts RMS each, 1000 combined. ResoNix does not underrate these and overpower damage is not warranty work.
Questions
Why two separate chambers instead of one shared volume?
Because two drivers in a shared sealed volume interact acoustically. Each driver's compression phase becomes the pressure environment the other driver is working against, which smears transient response and blurs the alignment each would have on its own. A full-height bonded 3/4 inch MDF divider eliminates that completely.
Each GUS-10 gets exactly 0.60 cubic feet net, which is ResoNix's own published volume for a 0.707 Qtc alignment on the Dual 4-Ohm variant, plus its own polyfill. Separate chambers are the standing design rule on every Proline X dual sealed enclosure.
Why does this enclosure come with standoffs?
Because ResoNix specifies a minimum clearance in front of the cone, and on a down fire enclosure the thing in front of the cone is the floor. Their requirement for the GUS-10 is 23mm between the surround and the obstruction, or 55mm measured from the baffle surface.
This cabinet ships with custom-fit standoffs machined to hold that clearance at both driver positions. Setting a down fire GUS enclosure flat on the floor would restrict both drivers and compromise output and mechanical safety. The standoffs are a required part of the design, not an accessory.
How does this compare to the single 10 inch GUS enclosure?
Very close per driver, roughly 6 dB more maximum output. The single gives its driver 0.59 cubic feet net at Qtc 0.694 on the D4; each chamber here gives exactly 0.60 at Qtc 0.688. Effectively the same alignment, with this cabinet landing precisely on ResoNix's published figure.
The difference is physical. Both share the 30 by 15 inch footprint, but the single stands 5.125 inches tall and the dual stands 8.3125, before standoffs. Combined power handling doubles to 1000 watts RMS. The single suits tighter under-seat applications; the dual is a cargo floor or rear-wall build.
How is this enclosure wired, and how do I set my final impedance?
The enclosure uses one side-mounted Proline X terminal cup with a single pair of posts, pre-wired in 12 gauge OFC to both driver positions in parallel. You do not wire the two chambers separately at the amplifier.
Final impedance is set at the drivers. Each GUS-10 is dual voice coil, so you choose how to wire the two coils on each driver and that determines the load the amplifier sees through the cup. Use two of the same coil configuration and wire them identically, since mismatched wiring between chambers will split power unevenly. Confirm the resulting load against your amplifier's minimum stable impedance before powering the system.
Is down firing acceptable for a GUS subwoofer?
Yes, and ResoNix addresses it directly. Their published guidance is that there is very little real world difference in sound between down firing and up firing, and that you should choose whichever makes the installation easier, more reliable, and easier to service.
That endorsement comes from the driver's manufacturer rather than from us. The one requirement is maintaining their specified 55mm clearance in front of each cone, which the included standoffs handle.
How much power should I run to these subwoofers?
500 watts RMS per driver, 1000 watts combined, and not more. ResoNix is unusually direct about this: they state that the GUS series is not deliberately underrated the way many manufacturers rate their drivers, and that burnt voice coils or damage from bottoming out are not covered under warranty.
You can safely use an amplifier capable of more output so long as delivered power is limited to the rating. ResoNix also notes that because these drivers stay linear and low distortion right up to their limits, it will not always be obvious when you are pushing too hard.
How is this enclosure built?
V-groove and dado joinery, CNC-cut on ShopSabre routers from Langboard Elite MDF. Every panel joint is a machined interlocking groove that mechanically locks the panels before adhesive is applied, which keeps both chambers airtight under sustained pressure cycling. The chamber divider is a full-height bonded 3/4 inch panel.
Front baffles are double-layer at 1.5 inches at both driver positions, with the outer layer machined as a flush recess so each driver bolts to the inner layer. Perimeter cross-bracing and pre-installed polyfill in each chamber complete the build, and custom-fit standoffs are included to maintain ResoNix's required floor clearance. Assembled and inspected in Tullahoma, Tennessee.
Are the ResoNix GUS-10 subwoofers included with this enclosure?
No. This listing is for the enclosure only, and includes the custom-fit standoffs. ResoNix GUS-10 subwoofers must be purchased directly from ResoNix Sound Solutions. The cutouts and mounting depth are direct fit at both driver positions. Use two of the same coil configuration.
Other Performance Optimized models
- Alpine R2-W10 Dual 10" Sealed
- Alpine RSW10 Dual 10" Sealed
- Alpine S2-W10 Dual 10" Sealed
- Arc Audio SW10 Dual 10" Sealed
- Audiofrog GB10 Dual 10" Sealed
- Audiofrog GB10 Dual 10" Sealed
- Audiomobile GT2 Dual 10" Sealed
- Diamond Audio DMD-SH Dual 10" Sealed