···
Log in / Register

Which wire on the coaxial speaker is positive?

4 Answers
LeValerie
07/29/25 4:28pm

Generally, the red wire is the live wire, which is the positive pole. If you can't tell, you can gently scrape it against the car frame—the one that sparks is the positive pole. Definition of coaxial speaker: A coaxial speaker combines both high and low frequencies in one unit, essentially replacing two speakers. It features two speakers mounted on the same axis, one handling high frequencies and the other mid-low frequencies. The diaphragms of these two speakers are also aligned, and since their physical positioning approximates a point source, the soundstage reproduction is ideal. Characteristics of coaxial speakers: In terms of performance, coaxial speakers deliver high phase fidelity in sound radiation, achieving true point-source reproduction (as sound naturally occurs in point-source form in nature). In terms of listening experience, coaxial speakers provide accurate sound imaging, high musical resolution, and an expansive soundstage. The bass is realistic, powerful, and energetic; the midrange is rich and sweet for vocals; and the treble is crystal-clear, delicate, and ethereal.

Was this review help?
16
2
Share
CaydenLynn
08/14/25 5:32am

Distinguishing the positive and negative wires on coaxial speakers is actually quite particular. I've modified several cars myself, and the positive wire on the speaker is usually marked red or with a plus sign, while the negative is black or with a minus sign. But if the markings aren't clear, don't worry—I have a simple method: take a small 1.5V battery, like an AA type, connect one speaker wire to the battery's positive terminal and the other to the negative. If the speaker diaphragm bulges outward, you've connected the positive wire; if it caves inward, it's the negative. Why bother distinguishing? Because reversing the polarity affects the sound phase, causing left and right channels to be out of sync, resulting in muffled or distorted sound. When working on cars, I always remind myself to disconnect the power first to avoid short circuits. Once, I forgot and blew a small fuse—since then, I've learned my lesson. Developing good habits saves a lot of trouble.

Was this review help?
17
5
Share
Expand All
JackAnn
10/12/25 8:02am

I've been into car audio modification for years and found speaker wire polarity quite intuitive. Most coaxial speakers have thicker positive wires or red stripes, a common manufacturer marking method. When no obvious features exist, I recommend using a multimeter: set to voltage mode, connect and measure resistance - the lower reading side is usually positive. Without tools, ordinary owners can visually inspect wires for arrow indicators or plus signs. Correct connection yields clearer, harmonious sound; reversed polarity may degrade audio quality and shorten speaker lifespan. Remember to turn off the car engine before working to avoid electric shock risks. My experience shows starting with simple steps solves problems efficiently.

Was this review help?
6
5
Share
Expand All
VonJace
11/26/25 2:17am

I have researched car audio systems and know that distinguishing the positive and negative speaker wires is a crucial step. Typically, the positive wire is red. If it's hard to see, you can use a listening test: connect to power, try one connection method first, and listen if the sound is full; then reverse the connection—if the sound quality worsens, it's wrong. Remember, correct connection enhances the overall sound quality; otherwise, you might feel the music's positioning is off. It's a simple operation.

Was this review help?
6
0
Share
Expand All
More Forum Discussions

What is the reason for the Volvo display screen not lighting up?

Volvo display screen not lighting up may be due to the following reasons: 1. Loose wiring: It is necessary to promptly check whether the wiring is loose, as this can naturally cause the central control screen to go black. 2. Aging signal cable: If the power signal cable is aging, you can try replacing it with a new one. 3. Damaged display screen: Check if the display screen is damaged. Replace the display screen for testing, and if it returns to normal, the display screen is damaged. Below is some relevant information about Volvo: 1. Dimensions: This is a mid-size SUV with a 5-door, 5-seat body structure. Its length, width, and height are 4688mm, 1902mm, and 1658mm respectively, with a wheelbase of 2865mm. 2. Chassis: The front suspension uses a double-wishbone independent suspension, and the rear suspension uses a multi-link independent suspension.
18
1
Share

What Are the Impacts of Selling a Car as Scrap Metal?

The impacts of selling a car as scrap metal include the inability to license a new car, affecting the annual inspection of other vehicles, and bearing a high risk of liability in case of accidents. Below are detailed explanations regarding vehicle annual inspections: 1. Overview: Vehicle annual inspection refers to the annual examination of vehicles that have already obtained official license plates and registration certificates, conducted in accordance with the "Technical Conditions for Motor Vehicle Operation Safety." The purpose is to check the main technical conditions of the vehicle, encourage enhanced maintenance, ensure the vehicle remains in good condition, and guarantee driving safety. 2. Others: For passenger transport vehicles, inspections are conducted once a year within the first five years. After five years, inspections are conducted every six months. For cargo vehicles and large or medium-sized non-passenger transport vehicles, inspections are conducted once a year within the first ten years. After ten years, inspections are conducted every six months. Vehicle annual inspections are divided into initial inspections and regular inspections.
17
0
Share

Where are the drain holes on the Avalon's doors?

Detailed introduction is as follows: 1. Drain holes: The Avalon has three drain holes at the bottom of each door, located inside the sealing strip. Two of these drain holes are already open and do not require manual opening, while the third one is blocked with a rubber plug, which can be removed by hand. 2. Timely cleaning: Each door typically has more than two drain holes, usually located at the lower part of the door panel. If these are not cleared, water can accumulate inside the door, leading to rust over time. Additionally, the door contains various components, including the window regulator and wiring for the car audio system, which can be damaged if exposed to water. Since the drain holes on the door are positioned low, they can easily get clogged with mud when driving on muddy roads. Therefore, it is essential to clean the door drain holes promptly. 3. Important notes: There are several other drain holes on the car that require attention, such as the air conditioning drain hole, engine compartment drain hole, sunroof drain hole, trunk drain hole, and fuel tank cap drain hole.
11
3
Share

Where is the fuse box located in the Hongqi HS5?

Generally, the fuse box is located on the left side of the main driver's steering wheel. Here is some knowledge about the Hongqi HS5: 1. Product Features: The new Hongqi HS5 is full of highlights and attractions, briefly summarized as mH5, where m stands for many, H stands for highlights and attractions, and the 5th power represents five major characteristics: core to enjoy nobility, to enjoy exquisiteness, to enjoy comfort, to enjoy intelligence, and to enjoy safety. 2. Product Power: The Hongqi HS5 is equipped with a low-power version of the CA4GC inline four-cylinder turbocharged direct injection engine, with a rated power of 165kW and a maximum torque of 340N·m. This engine is independently developed by FAW Group and adopts ten industry-leading technologies such as high compression ratio Miller cycle combustion technology, 350bar precise fuel injection technology, full MAP intelligent thermal management technology, and all-aluminum lightweight engine technology, achieving a thermal efficiency of 39%.
13
4
Share

Can the Vehicle Be Powered On After Stalling in Water?

For vehicles with a one-button start that stall in water, it is best to disconnect the power; otherwise, it can easily lead to damage to the vehicle's electrical components, affecting the car's lifespan. Below is a detailed introduction regarding automotive safety: 1. Overview: Automotive safety for vehicles is mainly divided into two major aspects: active safety and passive safety. Active safety involves controlling the vehicle as effortlessly as possible. Whether it's braking and accelerating in a straight line or steering left and right, the operation should be as smooth as possible to avoid deviating from the intended path and not affecting the driver's visibility and comfort. 2. Others: The scope of automotive safety technology is becoming increasingly broad and detailed, moving towards integration, intelligence, systematization, and all-encompassing development. Strictly controlling speed during nighttime driving is a fundamental measure to ensure safety.
14
2
Share

Does a non-original catalytic converter have any impact?

There is some impact, but the most important factor is the quality of the oxygen sensor. Here is the relevant content: 1. Catalytic Converter: The catalytic converter is the most important external purification device installed in the vehicle's exhaust system. It converts harmful gases such as CO (carbon monoxide), HC (hydrocarbons), and NOx (nitrogen oxides) emitted from vehicle exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction. Since this converter can simultaneously transform the three main harmful substances in exhaust into harmless substances, it is called a three-way catalytic converter. 2. Working Principle: When high-temperature vehicle exhaust passes through the purification device, the purifying agent in the catalytic converter enhances the activity of CO, HC, and NOx, promoting certain oxidation-reduction chemical reactions. CO oxidizes at high temperatures to form colorless, non-toxic carbon dioxide gas; HC compounds oxidize at high temperatures into water (H2O) and carbon dioxide; NOx is reduced into nitrogen and oxygen. The three harmful gases are transformed into harmless gases, thereby purifying the vehicle exhaust.
5
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.