Description
xYou'll get big power out of this tiny amp
Need power, but lack space? Kenwood's Excelon X302-4 four-channel amplifier delivers 50 watts RMS per channel, yet still fits almost anywhere in your vehicle. Switch this amp over to bridged, 2-channel mode, and you can power a pair of high-performance speakers or subs with 150 watts RMS each. In 3-channel mode, you can use the amp's front channels to drive a pair of speakers with 50 watts each, and bridge the rear channels to send 150 watts to a sub. This versatility pays off as your system evolves over time.
Fine-tuning included
High-and low-pass filters let you optimize the sound for your vehicle and speakers. When you're running a subwoofer with the rear channels, you can adjust a bass boost to get just the right tone to fit your musical tastes.
Convenient technology
Class D technology ensures that this compact amp will run cool and perform reliably. Kenwood divided the amp's internal circuitry — analog, digital, and power supply — onto separate, non-overlapping circuit boards for improved overall sound quality. The X302-4 accepts input signals via RCA cables from an aftermarket receiver or by way of your vehicle's speaker wiring, so it'll work with almost any mobile audio system. If you do use the speaker-level inputs, the amp can sense the signal and turn itself on, so you won't need to run a separate remote turn-on lead to the receiver or fuse box.
Product highlights:
- 4-channel car amplifier
- 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
- 150 watts RMS x 2 bridged at 4 ohms (4-ohm stable when bridged)
- CTA-2006 compliant
- Class D amp technology
- variable high- and low-pass filters (50-200 Hz, 12 dB/octave)
- variable bass boost on B channels (0-18 dB at 40 Hz)
- preamp and speaker-level inputs
- wiring and hardware not included with amplifier
- 8-gauge power and ground leads recommended
- fuse rating: 20A x 2
- 8-7/16"W x 2-1/8"H x 5-15/16"D
- warranty: 2 years
- MFR # X302-4
- Item # 113X3024
What's in the box:
Kenwood Excelon X302-4 owner's manual
- 4-Channel amplifier
- Two 20-amp ATC fuses (installed)
- Terminal cover (installed)
- 8" Speaker level input harness
- Four 5/8" Screws
- Instruction manual (English/ French/ Spanish)
Features & specs
| Performance | ||
|---|---|---|
| RMS Power Output (Watts x Channels) | 50 x 4 |
|
| Peak Power Output (Watts x Channels) | 150 x 4 | |
| Power at 2 Ohms (Watts x Channels) | 75 x 4 | |
| Power at 1 Ohm (Watts x Channels) | --- | |
| Bridged Power (Watts x Channels) | 150 x 2 | |
| Minimum Impedance Bridged | 4 | |
| Minimum Impedance Unbridged | 2 | |
| Minimum Impedance | 2 | |
| Best Frequency Response | 20 50k Hz | |
| THD at Rated RMS Power | 1% | |
| Signal to Noise Ratio | 85 dB | |
| Input Voltage | 14.4v | |
| Features | ||
| Amplifier Class | D | |
| Low-Pass Crossover Frequency | 50-200 Hz | |
| Low-Pass Slope (dB/octave) | 12 dB/octave | |
| High-Pass Crossover Frequency | 50-200 Hz | |
| High-Pass Slope (dB/octave) | 12 dB/octave | |
| Bass Boost | 0-18 dB | |
| Bass Boost Frequency | 40 Hz | |
| Fan Cooled | No | |
| Fuse Rating | 40 | |
| Speaker Level Inputs | Yes | |
| Preamp Outputs | No | |
| Width (inches) | 8-7/16 | |
| Height (inches) | 2-1/8 | |
| Depth (inches) | 5-15/16 | |
| Parts Warranty | 2 Years | |
| Labor Warranty | 2 Years | |
The Kenwood Excelon X302-4 replaces these items:
Product Research
Features
CEA-2006 Compliant: CEA-2006 is a system of testing and measurement methods for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured over a frequency range of 20 Hz to 20 kHz (for full range amplifiers), with 1% or less Total Harmonic Distortion plus noise (THD+N). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4 ohms. CEA-2006 standards allow consumers to compare car amplifiers and receivers under the same conditions (apples to apples).
CEA-2006 Specifications:
- Power Output: 50 watts RMS x 4 into 4Ω
- Signal to Noise Ratio: 85 dBA (measured at 1 watt into 4Ω)
Other Specifications: (not using the CEA 2006 criteria)
-
Power Output:
- 2Ω: 75 watts RMS x 4 (at 1 kHz, 14.4 volts, ≤1.0% THD)
- Bridged: 150 watts RMS x 2 (into 4Ω, at 1 kHz, 14.4 volts, ≤1.0% THD)
- Signal to Noise Ratio: 100 dB (at rated power output)
Channel Layout: The 4-channel amplifier is effectively two 2-channel amps (A and B) built into one chassis. Both the A and B channels are bridgeable, so it can be wired as 4-channel, 3-channel, or 2-channel.
Class D Amplifier Design: The amplifier design is Class D, which uses digital switching power supplies. The result is the amplifier runs more efficiently, generating less heat than Class AB amps. The Class D design also allows the amplifier to be built on a small chassis, and installed where space is limited.
Signal Sensing: The amplifier has a signal-sensing turn-on circuit on the speaker level input. When a signal (up to 50 watts) is detected on the speaker level inputs, the amplifier will automatically power on. When the signal is no longer detected, the amp will turn off. This allows you to install the amplifier without a remote turn-on lead if the speaker level input is used.
Controls: The X302-4 features independent controls for the A and B channels:
- Input Sensitivity: The Input Sensitivity controls let you match the amplifier input to the preamp output level of the source unit. The rotary controls let you adjust the sensitivity between 200mV (0.2V) and 5V, with markings at 0.2V, 0.3V, 0.5V, 1V, 2V, 3V, 4V, and 5V.
- Selectable Crossovers: The crossovers can be set to high-pass, low-pass, or full range (off). Each crossover's slope is 12dB per octave and the crossover point is continuously variable from 50Hz to 200Hz.
- Bass Boost (B channels only): The Bass Boost increases the bass signal of the B channels, centered at 40Hz. The rotary control lets you adjust the boost between 0dB and 18 dB.
Connections:
- Line In: The X302-4 has two pair of line level RCA inputs, A and B. The amp will accept a signal between 200mV and 5V.
- Power/Ground/Remote Turn-on: The amplifier has screw terminals for the power, ground, and remote turn-on, and will accommodate spade connectors. The power and ground terminals are 0.55" wide and the remote turn-on terminal is 0.34" wide.
- Speaker Output: Four pair of screw terminals are provided for connecting the speakers. The terminals are 0.34" wide, and accommodate spade connectors. The amplifier is designed for a 4Ω load, but can can handle a 2Ω load.
- Speaker Level Input: When an RCA line level signal is not available, use the included 8" speaker level input harness.
- Fuses: Two 20-amp ATC fuses are installed in the amplifier. With the 40-amp fuse rating, an 8-gauge amplifier wiring kit is recommended with a 40-amp (minimum) fuse installed within 18" of the battery.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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