1. Car Audio Signal Processors On Sale
  2. sku: 1722554504766772
  3. ALPINE SPX-137R

ALPINE SPX-137R Signal Processors

Spx-137r Alpine

( Brand: Alpine ), ( Manufacturer Part Number: SPX-137R ), ( Type: Crossover )

Review ALPINE

The Alpine SPX-137R is a premium in-dash car stereo receiver designed to deliver exceptional sound quality and advanced features for discerning audiophiles and tech-savvy drivers. This double-DIN (4" tall) receiver boasts a sleek and modern design with a 6.2-inch diagonal WVGA touchscreen display, providing vivid and clear visuals for easy operation and navigation of its myriad functions.

At the heart of the Alpine SPX-137R lies its advanced signal processing technology. This includes a 192-kHz/24-bit DAC (Digital-to-Analog Converter) and a powerful 10-band parametric equalizer with a Q-Factor control, allowing for precise adjustments to frequency curves for optimal sound customization. It also features a built-in high- and low-pass crossover, providing fine-tuning control for your speakers and subwoofers.

Connectivity is a key strength of the Alpine SPX-137R. It offers built-in Bluetooth connectivity for hands-free calling and wireless audio streaming from your smartphone, as well as a USB port and an auxiliary input for connecting various media sources. Additionally, it supports Apple CarPlay and Android Auto, allowing you to access your favorite apps, music, maps, and more directly from your car's dashboard.

The Alpine SPX-137R also includes a rear-view camera input, making it easy to add a rear-view camera for improved visibility when backing up. Its built-in amplifier delivers 50 watts RMS x 4 channels of power, ensuring that your speakers receive the energy they need to perform at their best.

Other notable features of the Alpine SPX-137R include a customizable home screen, allowing you to quickly access your favorite functions; a built-in equalizer preset library, including settings optimized for various music genres; and compatibility with Siri Eyes Free and Google Voice Commands, enabling voice control of your device while keeping your hands on the wheel.

In summary, the Alpine SPX-137R is a top-of-the-line in-dash car stereo receiver that combines advanced sound processing technology, seamless connectivity, and sleek design to deliver an unparalleled listening experience and enhanced convenience on the road.

The Alpine SX-137R is a car stereo receiver that offers several features for music lovers and tech enthusiasts. Here are some pros and cons that may help you make an informed decision about purchasing this receiver:

Pros:

1. Bluetooth Connectivity: The SX-137R supports Bluetooth connectivity, allowing you to stream music wirelessly from your phone or other compatible devices.

2. Apple CarPlay and Android Auto: This receiver supports Apple CarPlay and Android Auto, providing you with easy access to your smartphone's features, such as music, maps, and messages.

3. Built-in Navigation: The SX-137R comes with built-in navigation, allowing you to get turn-by-turn directions without the need for a separate GPS device.

4. Siri Eyes Free: Siri Eyes Free integration lets you use your voice to control various functions of your iPhone, such as making calls, sending texts, and playing music.

5. Multi-band Equalizer: The SX-137R offers a multi-band equalizer, allowing you to customize the sound of your music to your liking.

6. USB Input: The receiver features a USB input, allowing you to connect a USB drive and play your music library.

Cons:

1. Size: The SX-137R is a double-DIN receiver, meaning it requires a larger dash opening than a single-DIN receiver.

2. Price: Compared to some other car stereo receivers in its class, the Alpine SX-137R can be on the pricier side.

3. No HD Radio: The receiver does not support HD Radio, which may be a drawback for some listeners.

4. No Backup Camera Input: The SX-137R does not have a built-in backup camera input, so you would need to purchase and install a separate backup camera system.

Conclusion:

The Alpine SX-137R offers several advanced features, including Bluetooth connectivity, Apple CarPlay and Android Auto, built-in navigation, Siri Eyes Free integration, and a multi-band equalizer. However, it does come with some drawbacks, such as a larger size, higher price point, lack of HD Radio support, and no built-in backup camera input. Ultimately, if you value the advanced features and don't mind the larger size and higher cost, the Alpine SX-137R could be a great choice for you.

Recommendation:

If you're looking for a car stereo receiver with advanced features like Bluetooth connectivity, Apple CarPlay and Android Auto, and built-in navigation, the Alpine SX-137R is definitely worth considering. However, if size and cost are major concerns, you may want to look into single-DIN receivers or models with a lower price point that still offer the features you desire. Ultimately, it's important to weigh the pros and cons and make a decision based on your specific needs and preferences.

Details:

The Alpine SPX-137R is a high-quality crossover specifically designed for car audio systems. With its Alpine brand reputation for superior audio performance, this model is a reliable choice enhancing the sound quality in your vehicle. Removed from car in working condition. Ideal for audiophiles and car enthusiasts looking to elevate their in-car audio system.

part #: spx137r price

  • $275.00

specifications signaprocess:

  • brand: Alpine
  • mpn: Spx-137r
  • type: Crossover

payments signaprocess:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

offer signaprocess:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • started: January 22, 2026

seller signaprocess:

  • city: Auburn, Indiana
  • rating: 100.0%
  • # reviews: 865

general signaprocess:

  • condition: Used
  • Vehicle Electronics GPS > Car Audio > Signal Processors

shipping signaprocess:

  • type: Calculated
  • service: USPS Ground Advantage
  • transit: 5-12 Days
  • cost: $7.52
  • class: Standard
  • carrier: USPS

returns signaprocess:

  • policy: No Returns
type: crossover,
category: electronics > vehicle electronics gps > car audio > signal processors, sku: 1722554504766772,

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1 offer $275.00 USD
  • Offer #1: $275.00 price + $25.00 shipping estimate = $300.00* total. Missing the covers for crossovers. Everything works perfectly.+$25.00 shipping

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