Hertz-Audison Prima Plug & Play (5-Channel) Full System Bundle Upgrade | '18 - '23 JL Wrangler/ '18 - '23 JT Gladiator

Your plug and play bundle is hand assembled in our Frederick, MD facility. Current processing lead times for plug and play bundles from order to ship: 5-7 business days

5/26/26: Due to a backorder on the amplifier, all orders will be placed for pre-order.  Current ETA = 7/15-7/31

Trail Seven Plug & Play Audio System for Jeep

Upgrade your driving experience with Trail Seven’s custom plug-and-play audio system built exclusively for the 2018-2023 Jeep. Engineered for Jeep enthusiasts who demand premium sound with zero guesswork, this all-in-one bundle delivers crystal-clear highs, punchy mids, and hard-hitting bass—without the need for splicing, soldering, or complicated wiring.

At the heart of the system is the powerful Audison SR 5.600 five-channel amplifier, expertly pre-wired to maximize every speaker in your Jeep. It powers a full-stage front-end featuring the Audison APK 165 6.5" component speakers, for the dash and soundbar speakers.

When it comes to bass, choose your punch:

• Hertz Mille Loaded Enclosure(available in MPBX 250 S2 10" or MPBX 300 S2 12")
• Stinger Dual 8" Ported Under-Seat Enclosure

Whichever option you select, expect clean, low-end power that blends seamlessly with the rest of the system—without compromising precious cargo space.

This bundle is compatible with both the factory-amplified Premium system and the non-amplified Standard system, and comes 100% plug-and-play. Designed by Trail Seven for Jeep owners who want a DIY-friendly install without sacrificing quality, every connection is pre-terminated and clearly labeled for a seamless installation experience.

Istinto Innovativo

Audison SR Amplifiers:
A sophisticated design distinguishes the SR amplifiers, a complete line that ranges from 5 channels to monophonic, all featuring the use of the most advanced D Class technology, for exceptional audio performance within compact dimensions. 
Elegant and functional design with rounded corners to minimize space, facilitating installation.

Audison Prima Speakers:
Audison Prima was designed to meet the interest of the car model enthusiasts who like to appreciate all the nuances of the musical message with components that are perfectly integrated in the car OEM system, preserving the most precious Prima on Audison requirement of OEM integration: space.

Hertz Mille Subwoofers:
Music fans who attend live concerts know well the emotions that low undistorted frequencies without dynamic compression can arouse. For this reason, the Hertz audio R&D team created Mille car audio subwoofers.

Audio Control Gladiator Loaded Enclosure:
Experience unparalleled audio performance in your Jeep Gladiator JT with the Stinger Under Seat Dual 8" Loaded Subwoofer Enclosure. Delivering a formidable 700 Watts RMS power output, this custom-fit enclosure seamlessly integrates into your vehicle's interior, delivering deep, distortion-free bass. Engineered specifically for the Gladiator JT, its pre-loaded dual 8" subwoofers by AudioControl provide crisp, immersive sound. Installation is effortless, ensuring quick setup for an enhanced driving experience, whether on-road or off. Elevate your audio system with the TXJTD8 Subwoofer Enclosure and enjoy premium sound quality wherever you go.

Audison SR 5.600 Amplifier:

• Elegant and functional design with rounded corners to minimize space, facilitating installation.
• Built-in USS (Universal Speakers Simulator).
• Full built-in crossover section.
• Optional VCR-S1 remote control offers the possibility to adjust the subwoofer level (-20 / + 6 dB) to your musical preference.
• Balanced high-level inputs for connecting to the OEM head unit speaker output
• Low-level RCA for after-market speakers.
• ART (Automatic Remote On/Off) function.
• Remote IN / OUT socket to allow control of multiple amplifiers.
• PRE-OUT allows for system expansion.

Audison APK 165, 6" Component Speaker

• AP 1 tweeter with 26 mm diameter diaphragm combined with a wide-roll surround provides maximum efficiency and reduced resonance frequency.
• AP 1 tweeter with an acoustic lens designed to compensate for and fine-tune the in-car frequency response anomalies in the 10kHz – 13kHz bandwidth caused by restrictive OEM grilles in critical OEM placements.
• APCX TW very compact tweeter passive crossover optimized for OEM Integration featuring an attenuation switch (0 dB, +2dB) to tune the in-car response according to different installation conditions.
• Passive crossovers are supplied with fast-on connectors that conform to OEM integration. The ends, different in each of the two poles, eliminate any possible connection errors and speed up the
  required installation time.
• AP 6.5 woofer with 32 mm pure copper voice coil, for high power handling and outstanding low-frequency control.
• AP 6.5 woofer with a water-repellent treated paper cone, featuring a profile developed with FEM (Finite Element Method) simulation technology and optimized with the Klippel Scan Vibrometer.
• AP 6.5 woofer with reduced mounting depth, providing ease of installation in OEM placements.
• AP 6.5 woofer with TPU (thermoplastic polyurethane) edge, featuring the unique “triple wave” profile for maximum linearity of excursion.
• AP 6.5 woofer with compact basket, protected by abrasion-resistant and scratch-proof coating, the motor affixed with damping epoxy adhesive. 
• AP 6.5 woofer with a high current fast-on terminal with double contact on positive and negative poles for high flexibility and quick connection. The terminal features a temperature-resistant plastic cover, protecting it against accidental short circuits.
• Developed with the KLIPPEL suite.

Hertz Mille MPBX 250 S2 10" Subwoofer:

• Ultra-shallow sealed enclosure specifically optimized to deliver all the MPS 250 S2 subwoofer performance.
• 15 mm (0.59 in.) wood thickness for incomparable robustness.
• Panel-to-panel internal bracing with solid corners to minimize resonances
• Round corners to ease the placement
• Internal sound-absorbing material virtually increases the box’s volume and reduces acoustic resonances.
•  2S² (2 Sides/2 Sounds) design provides the ability to choose between Down-Firing mounting, through supplied feet with Hook-and-loop inserts, to increase the low-frequency extension, and Up-Firing install to obtain more punch and definition.
• SSP (Sub Smart Plug) features both Plug-&-Play terminal block and traditional push terminals providing bulletproof connection and quick release.
• Robust screw-less mesh grille included featuring adjustable logo position suitable for reverse install.
• EID: Scan, Discover, Identify.
• Ultra-shallow structure compatible with minimum-depth enclosures.
• 500W continuous power handling, 2Ω impedance.
• Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations.
• Die-cast aluminum frame­.
• Unrivaled mechanical excursion, +20% over traditional designs.
• Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity.

Hertz Mille MPBX 300 S2 12" Subwoofer:

• Ultra-shallow sealed enclosure specifically optimized to deliver all the MPS 300 S2 subwoofer performance.
• 15 mm (0.59 in.) wood thickness for incomparable robustness.
• Panel-to-panel internal bracing with solid corners to minimize resonances
• Round corners to ease the placement
• Internal sound-absorbing material virtually increases the box’s volume and reduces acoustic resonances.
•  2S² (2 Sides/2 Sounds) design provides the ability to choose between Down-Firing mounting, through supplied feet with Hook-and-loop inserts, to increase the low-frequency extension, and Up-Firing install to obtain more punch and definition.
• SSP (Sub Smart Plug) features both Plug-&-Play terminal block and traditional push terminals providing bulletproof connection and quick release.
• Robust screw-less mesh grille included featuring adjustable logo position suitable for reverse install.
• EID: Scan, Discover, Identify.
• Ultra-shallow structure compatible with minimum-depth enclosures.
• 500W continuous power handling, 2Ω impedance.
• Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations.
• Die-cast aluminum frame­.
• Unrivaled mechanical excursion, +20% over traditional designs.
• Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity.

Audio Control Gladiator Loaded Enclosure:

• Durable Armor Coat: Shields against scratches, cracks, and peels.
• Weather-Resistant Design: Built tough for outdoor use.
• Reduced Resonance: Minimizes unwanted vibrations for clearer sound.
• Stain and Chemical Protection: Guards against spills and stains.
• Impact Absorption: Absorbs shocks for added durability.
• UV and Corrosion Protection: Prevents damage from sunlight and moisture.
• Reinforced Construction: Made with heavy-duty fiberglass and internal bracing.
• Improved Sound Quality: Includes poly-fill for more precise audio.
• Steel Subwoofer Grille: Coated for extra protection.
• Easy Disconnect Option: XT-90 connector for quick setup and removal.
• Enriched Low-Frequency Response: Deep, powerful sounds for a more immersive experience.
• Greater Output and Volume: Move more air for higher sound pressure levels and increased volume capability.
• Enhanced Bass Response: Improved overall bass response for richer sound.
• 3-Layer High Temp Voice Coil Former: Evenly distributes heat to prevent performance degradation or damage.
• Dual Damping System: Achieve more linear bass reproduction for more precise sound.
• Compression Control: Minimize compression effects within the subwoofer enclosure.
• Heavy-Duty Motor Design: Withstand high-power amplifiers without sacrificing performance.
  

PLUG AND PLAY: All of our bundles are pre-wired and completely assembled prior to shipping from our Frederick, Maryland shop. When you get your bundle, your full system is ready to drop into your Bronco! Simply follow the video which guides you through the plug and play install.

TESTED AND APPROVED BY TRAIL SEVEN: Our Full System Bundle has been installed and tested on our Trail Seven Bronco and we're pleased to put our stamp of approval on this package!

• 2018-2023 JL Wranglers
• 2020-2023 JT Gladiators
• Works with non-factory amplified and amplified systems

Audison SR 5.600 Amplifier:

• Channels: 5
• Class: D-Class
• Hi Level Input: Yes
• Low Level Input: Yes
• Digital Input: No
• Power supply voltage / fuse: 11 ÷ 15 VDC
• Operating power supply voltage: 6.5 ÷17 VDC / 2 x 25A
• Idling current: 2.2 A
• Idling current when off: 0.04 mA
• Consumption @ 14.4 VDC, 2Ω, Max Musical Power: 44 A
• Remote OUT: 6.5 ÷ 15 VDC (150 mA)
• Remote IN: 6.5 ÷ 15 VDC (1 mA)
• ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable): 1.5 ÷ 7 VDC
• Distortion - THD @ 100 Hz, 4Ω, 70% Rated Power: 0.02 %
• Bandwidth A: 10 Hz ÷ 35 kHz; 10Hz ÷ 500Hz
• S/N ratio A: 105 dBA
• Damping factor A: 100
• Input sensitivity Pre-In: 0.2 ÷ 5 VRMS
• Input sensitivity Speaker-In: 0.8 ÷ 20 VRMS
• Total Power RMSL: 1010 W
• Minimum load impedance: (5Ch: 2Ω). (3Ch: 4Ω + 4Ω + 2Ω)
• Output Power (RMS) @14.4 VDC, 1% THD: (5Ch 75 W x 4 + 330 W x 1 (4Ω)), (5Ch 115 W x 4 + 550 W x 1 (2Ω)), (3Ch 230 W x 2 (4Ω) + 310 W x 1 (4Ω)), (3Ch 230 W x 2 (4Ω) + 550 W x 1 (2Ω))
• Adjustable Crossover: Yes

Audison APK 165 6.5" Component:

• Woofer Size: 165 mm(6.5 in)
• Impedance: 4 Ohm
• Power Handling - Peak: 300 W
• Power Handling - Continuous: 100 W
• Frequency Response: 60 ÷ 20k
• Voice Coil Diameter: 32 mm(1.26 in)
• Magnet Size: 85 x 40 x 15
• Crossover Level Adjustment: +2; 0
• Tweeter Size: 26 mm(1 in)
• Voice Coil Diameter: 20 mm(1.26 in)
• Crossover Hi-Pass: HP @ 3,5 kHz - 6 dB Oct
• Cone Diameter: 129 mm

Hertz MPBX 250 S2 10" Down-Firing Sub:

• Sizemm (in.): 250 (10)
• Power Handling - ContinuousW: 500
• Power Handling -PeakW: 1000
• ImpedanceOhm: 2
• Voice Coil Ø: 38 (1.5)
• Frequency Response: Hz25 - 400
• Magnet size D x d x hmm (in.): 134 x 55 x 36 (6.28 x 2.17 x 1.42)
• Weight of one componentkg (lb.): 10,8 (23.8)
• Magnet: High density flux ferrite
• Cone: Polypropylene
• Xmechmm (in.): 20
• Depthmm (in.): 118 (4.65)
• Voice Coil Type: Single

Hertz MPBX 300 S2 12" Down-Firing Sub:

• Sizemm (in.): 300 (12)
• Power Handling - ContinuousW: 500
• Power Handling -PeakW: 1000
• ImpedanceOhm: 2
• Voice Coil Ø: 38 (1.5)
• Frequency ResponseHz: 25 - 400
• Magnet size D x d x hmm (in.): 134 x 55 x 36 (6.28 x 2.17 x 1.42)
• Weight of one componentkg (lb.): 10,8 (23.8)
• Magnet: High density flux ferrite
• Cone: Polypropylene
• Xmechmm (in.): 20
• Depthmm (in.): 118 (4.65)
• Voice Coil Type Single

Stinger Under Seat Dual 8" Ported Loaded Sub Box Enclosure:

• Model Number: TXJTD8
• Speaker Model: SPK-8S4 (x2)
• Subwoofer Size: Dual 8”
• Voice Coil: Single 4 ohm
• DC Resistance (Re): 2 ohm
• Sensitivity 1W/M (SPL): 88 dB
• Frequency Response: 20Hz - 250Hz
• RMS Power: Min: 400 watts / Ideal: 700 watts
• Peak Power: 1,000 watts
• Speaker Displacement: 0.10 cu ft / 2.88 Ltr
• Speaker Weight: 11.75 lbs
• Internal Tuning: 39 Hz
• Subsonic Filter Setting: 31 Hz
• Enclosure Weight: 20.5 lbs
• Total Weight: 43 lbs
• Height: 7.5in / 19.05cm
• Width: 48in / 121.92cm
• Depth: 10.5in / 26.67cm

Amplifier:

• Audison SR 5.600 5-Channel Amplifier

Power & Connections

• Trail Seven 4AWG Amplifier Power Kit (power, ground, fuse block) fully prepped
• 6-Channel RCA's
• Factory Amplifier Bypass Harness or Plug and Play amp harness.
• Subwoofer wire- 12' prepped sub wire

Interface Module:

• PAC AP4-CH41

Subwoofer Options:

• Hertz MPBX 250 S2 10" 2-Ohm Enclosure, or
• Hertz MPBX 300 S2 12" 2-Ohm Enclosure, or
• Stinger TXJTD8 Under Seat Dual 8" Enclosure

Speakers:

• Audison Prima APK 165 – 6.5" Component Speaker System (mounted in knee speaker pod and soundbar pods)
• All necessary brackets and connectors