1. Speaker Components Deals
  2. sku: 13780407617820008
  3. ELECTRO VOICE XEQ-504A

ELECTRO-VOICE XEQ-504A Crossover Equalizer Tl Bass Speaker Xeq Crossover/equalizer 550 Connection

Xeq-504a Electro-voice Xeq 504a Crossover/equalizer And Tl 550 Bass Speaker Connection

( Brand: Electro-voice ), ( Manufacturer Part Number: XEQ-504A ), ( Compatible Brand: Universal ), ( Type: Crossover-equalizer )

Review ELECTRO VOICE Xeq 504a Crossover/equalizer And Tl 550 Bass Speaker Connection

The **EVX EQ-504A** is a versatile and high-performance **passive crossover/equalizer** designed to elevate audio clarity and precision in professional sound reinforcement, live music, and studio applications. Part of Electro-Voice s renowned **XEQ series**, this compact yet robust unit combines a **four-band parametric equalizer** with a **passive crossover**, offering unparalleled control over frequency response, phase alignment, and speaker system optimization. Built with **high-quality passive components**, including precision resistors, capacitors, and inductors, the EQ-504A ensures minimal signal loss and distortion, delivering clean, accurate audio reproduction across a wide frequency range. Its **TL-550 (Tweeter-Load) configuration** is specifically engineered to interface seamlessly with **EVX s TL-550 bass speakers**, allowing for a balanced and efficient two-way system where the equalizer s high-pass filter routes mid/bass frequencies to the woofer while the crossover s low-pass filter sends high frequencies to the tweeter. This design not only enhances spatial imaging and tonal balance but also extends the usable frequency range of the system, reducing coloration and ensuring a more natural soundstage. The unit s **front-panel controls** include **four independent parametric EQ bands** (with adjustable center frequency, bandwidth, and gain), a **low-pass crossover** (with selectable slopes of 6, 12, or 18 dB/octave), and a **high-pass filter** (with 6 or 12 dB/octave options), providing audio engineers with granular adjustments to fine-tune system performance. Whether used in a **PA system, live sound reinforcement, or studio monitoring setup**, the EQ-504A s rugged construction and precise engineering make it a reliable choice for professionals demanding clarity, flexibility, and durability. Its **compact yet sturdy metal chassis** ensures longevity in demanding environments, while its **low-profile design** allows for easy integration into existing rigs without sacrificing functionality. Ideal for both **small to medium-sized venues** and **studio applications**, the EVX EQ-504A is a testament to Electro-Voice s commitment to innovation and audio excellence, offering a perfect blend of power, precision, and ease of use.

The **Electro-Voice XEQ-504A** is a professional-grade crossover/equalizer, and the **TL-550** is a high-performance bass speaker. Combining these components can be useful for sound reinforcement, PA systems, or live sound applications, but there are several pros and cons to consider before purchasing them together.

### **Pros of buying a XEQ-504A TL-550 System**

1. **High-Quality Sound Processing**

The XEQ-504A is a versatile 4-band graphic equalizer with a crossover function, allowing precise control over frequency response. This ensures that the TL-550 s deep bass output is optimized without distortion or muddiness.

2. **Professional-Grade Build**

Both units are built to withstand demanding live sound environments. The XEQ-504A features rugged construction, and the TL-550 is designed for high SPL (Sound Pressure Level) performance, making it suitable for large venues.

3. **Flexible Crossover Options**

The XEQ-504A allows for customizable crossover points, enabling users to separate bass frequencies from mid/high frequencies effectively. This helps prevent overloading the TL-550 while ensuring clean, powerful bass output.

4. **Reliability and Durability**

Electro-Voice is known for producing long-lasting audio equipment. The XEQ-504A has a solid reputation for reliability, and the TL-550 is built to handle heavy use without frequent failures.

5. **Compatibility with Other Systems**

The XEQ-504A can be used in larger sound systems, allowing for integration with other amplifiers, speakers, and processors. This makes it a versatile choice for both small and large setups.

6. **Adjustable EQ for Custom Sound**

The graphic EQ section allows for fine-tuning of the frequency response, which can help compensate for room acoustics or speaker limitations, ensuring a balanced sound.

### **Cons of buying a XEQ-504A TL-550 System**

1. **High Initial Cost**

Both the XEQ-504A and TL-550 are professional-grade components, meaning they come with a significant price tag. For hobbyists or small-scale users, this may be an unnecessary investment.

2. **Complexity for Beginners**

The XEQ-504A requires some knowledge of audio processing to set up correctly. Beginners may struggle with optimizing crossover points and EQ settings, potentially leading to suboptimal sound performance.

3. **Space and Portability Constraints**

The TL-550 is a large, heavy speaker, and the XEQ-504A is a rack-mounted unit. Together, they take up significant space and may not be practical for mobile setups or small venues.

4. **Potential Overkill for Small Applications**

If you only need basic sound reinforcement (e.g., small gigs, home use, or simple PA setups), the XEQ-504A s advanced features may be unnecessary. A simpler EQ or crossover unit might suffice.

5. **Maintenance and Power Requirements**

Professional audio gear requires proper handling to avoid damage. The TL-550, in particular, may need careful placement to prevent distortion from improper mounting or airflow issues.

6. **Learning Curve for Optimal Performance**

Achieving the best sound from this system requires experimentation with EQ and crossover settings. Without proper tuning, the TL-550 s bass output might sound harsh or uneven.

### **Conclusion**

The **Electro-Voice XEQ-504A TL-550** combination is an excellent choice for **professional sound engineers, large-scale live performances, or high-end PA systems** where precise bass control and reliability are critical. The advanced features of the XEQ-504A allow for fine-tuned audio processing, while the TL-550 delivers powerful, accurate bass performance.

However, for **budget-conscious users, beginners, or small-scale applications**, this setup may be overkill. In such cases, a simpler EQ or crossover unit paired with a more affordable speaker could provide adequate results without the complexity and cost.

### **Recommendation**

- **Buy the XEQ-504A TL-550 if:**

- You are a professional sound engineer or work in live sound reinforcement.

- You need precise control over frequency response and crossover settings.

- You require a durable, high-performance bass speaker for large venues.

- You are willing to invest in professional-grade equipment for long-term reliability.

- **Consider alternatives if:**

- You are a beginner or work in a small-scale setup where simplicity is preferred.

- You are on a tight budget and can achieve similar results with more affordable equipment.

- You do not need advanced EQ or crossover functionality and can rely on basic processing.

For most **serious audio applications**, this combination is a strong investment. However, if cost or complexity is a concern, evaluating other options such as a simpler EQ or a different speaker model may be more practical.

Details:

Listing is for One Unit.XEQ 504A S/N: 972010106 Part No: 72532 TL 550D 9702B0036Removed from Electro Voice Theater Speaker. Boston to the Berkshires and beyond.Buying collections historical items. Most will need further testing, alignment and servicing. Both Units Excellent Condition.

Please reach out with any questions or comments. This is a no stress zone. Electro Voice XEQ 504A Crossover/Equalizer and TL 550 Bass Speaker Connection Box. Both Tested Good.

part #: xeq504a price

  • $250.00

specifications speakerpartgo:

  • brand: Electro-voice
  • mpn: Xeq-504a
  • compatible brand: Universal
  • type: Crossover-equalizer

payments speakerpartgo:

  • other
  • wallet: Google-pay
  • credit card: Diners-club

returns speakerpartgo:

  • policy: No Returns

offer speakerpartgo:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • started: May 16, 2026
  • availability: In Stock

shipping speakerpartgo:

  • type: Calculated
  • class: Expedited, Standard
  • service: USPS Priority Mail, USPS Ground Advantage, UPS 3 Day Select
  • carrier: USPS, UPS
  • transit: 5-12 Days
  • cost: $37.70

seller speakerpartgo:

  • city: Erving, Massachusetts
  • # reviews: 1
  • rating: 100.0%

general speakerpartgo:

  • condition: Used
  • TV, Video Audio Parts > Speaker Parts Components > Other Speaker Parts Comp
compatible brand: universal, type: crossover-equalizer,
category: electronics > tv, video audio parts > speaker parts components > speaker parts comp, sku: 13780407617820008,
Electro-voice XEQ-504A Is Similar To:
speakerpartgo logo
1 offer $250.00 USD
  • Used. Offer #1 priced at $250.00 + $37.70 shipping estimate = $287.70* total. This is a no stress zone. XEQ 504A S/N: 972010106 Part No: 72532 TL 550D S/N: 9702B0036 Removed from Electro Voice Theater Speaker.+$37.70 shipping

Copyright © speakerpartgo.com