Nissan Primera P12 (2001–2007) - an iconic sedan and hatchback that is still popular today due to its reliability and comfort. However, the standard audio system of this car often becomes a weak point: dull sound, lack of bass, distortion at high volumes. In this article we will analyze all the nuances of speakers in Primera P12 - from standard characteristics to complete replacement and tuning.

You'll learn which speakers are installed from the factory, how to properly dismantle them, which models to choose for replacement (taking into account size and impedance), and how to improve sound without expensive equipment. The material will be useful for both beginners and experienced car enthusiasts who want to get clear and powerful sound in the salon.

Standard speakers Nissan Primera P12: location and characteristics

Standard Primera P12 was equipped with an audio system with four speakers: two in the front doors (size 16.5 cm) and two in the rear parcel shelf (size 13 cm). In top versions (for example, 2.0 TE or 2.5 V6) additional tweeters could be installed in the A-pillars or a central channel on the dashboard.

Main parameters of standard speakers:

  • 🔊 Front: diameter 16.5 cm (6.5 inches), resistance 4 ohm, power ~20–25 W.
  • 🔊 Rear: diameter 13 cm (5.25 inches), resistance 4 ohm, power ~15–20 W.
  • 🔊 Twitter (optional): diameter 2.5–3.5 cm, resistance 4–6 ohms.

Standard speakers have paper diffusers and low quality rubber surrounds, which leads to their rapid wear (especially at high volumes). In addition, they are not designed to work with external amplifiers - when connected to a powerful radio, the sound begins to “wheeze” already at medium levels.

Model Primera P12 Number of speakers Availability of amplifier Radio type
1.6 S / 1.8 SX 4 (without tweeters) No Original Clarion or Panasonic
2.0 TE / 2.0 Sport 6 (with tweeters) Optional Bose (in top versions)
2.5 V6 6–8 (with subwoofer) Yes (built-in) Bose or Alpine
⚠️ Attention: In models with the system Bose the speakers have non-standard impedance (2–2.5 Ohm). Connecting regular 4 ohm speakers without an adapter will result in distortion or damage to the amplifier.

How to remove speakers in Primera P12: step-by-step instructions

Replacing speakers in Primera P12 does not require special skills, but there are nuances depending on the location. For example, the front speakers are mounted with 4 bolts, and the rear speakers are mounted with latches. You will need:

  • 🔧 Phillips screwdriver (PH2).
  • 🔧 Socket wrench on 10 mm (for front speakers).
  • 🔧 Plastic spatulas for removing trim.
  • 🔧 Soldering iron or terminal blocks (if you plan to change wires).

Removing the front speakers:

  1. Remove the plastic door handle trim (pry it off with a spatula).
  2. Unscrew 2 bolts securing the trim under the handle and 1 bolt at the bottom of the door.
  3. Carefully remove the trim and disconnect the clips.
  4. Unscrew the 4 speaker bolts and disconnect the connector.

Removing the rear speakers:

  1. Remove the rear parcel shelf (it is secured with 4 latches and 2 bolts under the seat).
  2. Disconnect the speaker connector, then carefully pull it out of its seat.

Disconnect the battery (remove the "-" terminal)

Check connection polarity (plus/minus)

Clean the seat from dust and rust

Compare the sizes of the new and old speaker -->

⚠️ Attention: At the door Primera P12 Moisture often accumulates, which leads to corrosion of the speaker mounts. Before installing new speakers, treat the metal with anticorrosive or sealant.

Which speakers to choose for replacement: review of the best options

When choosing new speakers for Primera P12 consider:

  • 📏 Size: front - 16.5 cm, rear - 13 cm (can be installed 16 cm with modification of the seat).
  • ⚡ Power: no less 30–50 W RMS for front and 20–30 W RMS for the rear ones.
  • 🎵 Sensitivity: from 90 dB (the higher, the louder the sound at the same power).
  • 🔄 Resistance: 4 ohm (for standard systems) or 2–2.5 Ohm (for Bose).

Top 5 speakers to replace in Primera P12:

Model Size Power (RMS) Sensitivity Price (approximate)
Pioneer TS-A1670F 16.5 cm 60 W 90 dB 4 500 ₽
JBL GTO629 16 cm 90 W 93 dB 6 000 ₽
Alpine SXE-1325S 13 cm 30 W 88 dB 3 200 ₽
Focal Access 165CA1 16.5 cm 60 W 91 dB 7 500 ₽
Hertz DCX 165.3 16.5 cm 100 W 92 dB 12 000 ₽

For bass lovers, we recommend considering component systems (For example, Morel Tempo Ultra 602 or DLS Iridium 6.2), where the midbass and tweeter are separated. This will allow you to achieve clearer sound, but will require additional installation of crossovers.

Coaxial (2-way)

Component (3-way)

With subwoofer

Standard (enough)

Other-->

Connecting new speakers: diagrams and nuances

Connecting speakers to Primera P12 depends on the type of audio system:

  • 🔌 Standard radio: The speakers are connected directly to the ISO connector. Polarity is important - if connected incorrectly, the sound will be “out of phase” (fuzzy, without bass).
  • 🔌 Bose system: required resistance adapter (For example, LC2i from AudioControl), since the amplifier Bose designed for low resistance load.
  • 🔌 External amplifier: the speakers are connected via crossovers (if a component system) or directly to the amplifier.

Front speaker connection diagram:



Магнитола (или усилитель)


│


├───► Правый передний (+) ——► Динамик (красный провод)


├───► Правый передний (–) ——► Динамик (чёрный провод)


├───► Левый передний (+) ——► Динамик (жёлтый провод)


└───► Левый передний (–) ——► Динамик (зелёный провод)

Wire colors may vary depending on the year of manufacture and equipment. To avoid mistakes, use the multimeter in circuit test mode (200 Ohm): when connecting the probes to the speaker wires, the device will show resistance (~4 Ohms).

💡

If after replacing the speakers the sound becomes quieter, check the radio settings: the equalizer may be activated with lower mid frequencies. Reset settings to factory defaults (Reset in the menu).

Improving sound without replacing speakers: 5 working methods

If you're not ready to spend money on new speakers, but want to improve the sound, try these methods:

  1. Sound insulation of doors. Vibration and noise insulation (for example, StP-Accent 2 mm + Bitoplast 5 mm) will reduce resonance and improve bass. Cost: ~3,000 ₽ for all doors.
  2. Replacing wiring. Standard wires in Primera P12 thin and oxidize. Use a copper cable with a cross-section 1.5–2.5 mm² (For example, KnuKonceptz Kable).
  3. Setting up the radio. Disable all sound enhancers (Loudness, Bass Boost) and set the equalizer manually:
    • 🎛️ Bass: +2 dB on 60–80 Hz.
    • 🎛️ Average: 0 dB on 1–3 kHz.
    • 🎛️ High: +1 dB on 10–12 kHz.
  • Installation of the capacitor. If the light goes out with bass, add a capacitor 1 Farad next to the battery. This stabilizes the tension.
  • Refinement of the speaker housing. Seal the holes in the metal of the door with mounting foam or dynamite cloth - this will eliminate the “booming” at low frequencies.
    • Why does the Primera P12 often have wheezing sound?

    The main reason is oxidation of contacts in the connectors of the speakers or radio. The problem may also be a faulty amplifier (in systems with Bose) or in low voltage on-board network (less 12.5 V at idle).

    Audio system tuning: from simple to complex

    If you want to dramatically improve your sound Primera P12, consider the following tuning steps:

    1. Replacement of the radio. Original Clarion or Panasonic inferior to modern 2-DIN models (for example, Pioneer AVH-X5800DAB or Sony XAV-AX5000) in terms of functionality and quality of the DAC.
    2. Amplifier installation. For the front speakers, a 4-channel amplifier (for example, Alpine KTA-450), for the subwoofer - monoblock (JBL Club A600).
    3. Adding a subwoofer. The best option for Primera P12 - compact subwoofer in a box 20–25 l (For example, Kicker 44CWCS124). Installed in the trunk.
    4. Soundproofing of the cabin. Complete treatment of doors, floors and roofs with material StP + Splen It will cost ~15,000 ₽, but the result will justify the investment.
    5. Digital Processor (DSP). For perfect soundstage setup, use Helix DSP or Audison bit One. Allows you to adjust the frequency response to the interior acoustics.

    In systems with Bose, you cannot simply turn off the stock amplifier - it is integrated with the on-board electronics. To bypass it you will need a special adapter (for example, Bose Emulator), otherwise an error will appear on the dashboard.

    Common problems and their solutions

    Owners Primera P12 Often encounter the following audio system problems:

    • 🔇 There is no sound from one speaker.
      Reasons: contact oxidation, wire breakage, radio malfunction. Solution: use a tester to check the circuit from the radio to the speaker.
    • 🔊 Rattles and distortion at high volumes.
      Reasons: low speaker impedance (e.g. 2 ohm instead of 4 ohm), weak amplifier. Solution: Replace the speakers or add a capacitor.
    • 🔋 The sound disappears when the headlights are turned on.
      Causes: weak battery or generator. Solution: Check the open circuit voltage (should be 13.8–14.4 V).
    • 🎵 No bass.
      Reasons: poor sound insulation of doors, worn out speakers. Solution: Install new midbass units or add a subwoofer.
    💡

    If the speakers do not work after replacing the radio, check the connection of the antenna adapter (in Primera P12 it is often integrated with the amplifier).

    FAQ: Answers to popular questions

    Is it possible to install 16 cm speakers instead of the standard 13 cm ones on the rear parcel shelf?

    Yes, but you will need to expand the seat using a jigsaw or rasp. Also make sure that the depth of the new speaker does not exceed 6–7 cm, otherwise it will rest against the trunk floor.

    Which amplifier is suitable for the Bose system in the Primera P12?

    For Bose amplifiers that support low-impedance loads are needed (2 ohm). Good options: Alpine MRV-F300 (4 channel) or Rockford Fosgate PBR300X4. Don't forget about the adapter for correct operation with the radio.

    Why did the sound become quieter after replacing the speakers?

    Probable reasons:

    • Low sensitivity of new speakers (less 88 dB).
    • Incorrect connection polarity.
    • Activated Loudness or another filter in the radio.

    Check your equalizer settings and compare the settings of your old and new speakers.

    How to check if the amplifier is working in a Bose system?

    Connect the test speaker (4–8 ohms) to the amplifier output. If there is no sound, check the fuse (located under the glove compartment or in the fuse box). Also inspect the connectors for oxidation.

    Is it possible to connect a subwoofer to the standard radio?

    Yes, but it will be required line output (RCA). In most standard radios Primera P12 it doesn't exist, so use it high-low converter (For example, Stinger SLC), which converts the high-level signal from the speakers into a low-level signal for the amplifier.