features and specifications

2ch amp PB744

crossover mode selector

when used with normal, full range systems, set this switch to “FULL”. If

 

you wish the internal crossover to power a driver of specific frequency

 

range , use the “LOWPASS” or “HIGHPASS” settings.

input level control

use this control to match the outputs of you head unit to the amplifier.

 

Starting with your head unit set at about the 2 o’clock position, increase

 

the amp level control until distortion begins to occur, and reduce slightly

 

from this point.

output power@14.4v DC, 1KHz

 

 

RMS Power @ 4 ohms

50Watts

2

RMS Power @ 2 ohms

100Watts

2

Maximun Power Output

250Watts

2

frequency response

10Hz-70KHz

input impedance

 

 

low pass frequency control

high pass frequency control

bass boost level control

low level inputs

when the crossover selector switch is in “low pass” mode, this control sets the upper frequency limit for audio program sent to the speakers.

when the crossover selector switch is in “high pass” mode, this control sets the upper frequency limit for audio program sent to the speakers.

this control permits adjustment of the bass level up to an increase of approximately 18 dB.

this amp features gold-plate RCA input jacks for high impedance input. Use these with car stereo output which uses RCA-type connector cables.

low level inputs

10K Ohms

high level inputs

100 Ohms

input sensitivity

200 mV

4

low level inputs

 

 

power supply voltage

14.4V DC Neg.Ground (10.5-16V)

 

remote bass boost

Plug in the Remote Bass Control wire in here.

power LED

this indicator is illuminated when power is applied.

protection LED

this indicator is illuminated when built-in protection circuitry is activated.

power fuse

the fuse protects the amplifier and your car’s electrical system from short

 

circuit conditions.

power terminals

use these connectors to deliver power, ground and remote turn-on control

 

to the amplifier.

speaker connections

these terminals are 14K gold plated to guarantee high conductivity and

 

minimum signal loss.

matching speaker impedance

 

stereo mode

2-4 Ohms

bridged mode

4-8 Ohms

maximum current draw

15A 2

dimensions(W H L)

mm292 48 251

inches 11.7 1.92 10.0

speaker connections

4ch amp PB1644

4CH Output Mode

PB1644

L

FRONT speaker

R

Bridged Dual Mono Output Mode

19

R

L

REAR speaker

 

 

 

MINIMUN

L

R

SPEAKER

speaker

IMPEDANCE 4OHMS!

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Pyramid Car Audio PB844 warranty 2ch amp PB744, 4ch amp PB1644, Features and specifications, Speaker connections

PB1644, PB844, PB744 specifications

Pyramid Car Audio has established itself as a notable player in the audio equipment market, delivering quality products tailored for the automotive sector. Among their lineup, the PB844, PB744, and PB1644 models stand out as excellent choices for car enthusiasts looking to enhance their audio experience.

The Pyramid PB844 is a powerhouse, featuring an impressive peak power of 800 watts and a maximum RMS of 400 watts. This 8-inch speaker is designed to deliver a deep bass response while maintaining clarity across all frequencies. One of the standout features of the PB844 is its 3-way design, which allows for a richer sound stage. The dual voice coils optimize the performance, ensuring that users can enjoy a full range of audio without distortion. The poly injection cone provides durability and resistance to damage, which is particularly useful in the demanding environment of a car.

Moving to the Pyramid PB744, this model presents a more compact solution without sacrificing sound quality. It comes with a peak power of 600 watts and 300 watts RMS. This 6.5-inch speaker also utilizes a 3-way component design, allowing for a more detailed sound reproduction. The inclusion of a butyl rubber surround enhances the speaker's longevity, while a ceramic magnet contributes to its robust audio performance. The PB744 caters to those who seek a balance between size and acoustic capability.

On the other hand, the Pyramid PB1644 is designed for users who crave powerful sound in a larger format. With a peak power rating of 1200 watts and RMS value of 600 watts, this 16-inch speaker is ideal for heavy bass enthusiasts. Its large poly injection cone and heavy-duty voice coil enable it to handle extreme volumes without compromising sound quality. The PB1644 utilizes a dual voice coil configuration, providing the flexibility to enhance connectivity options within the audio system.

Across the range, Pyramid emphasizes technology like high-temperature voice coils and lightweight materials, which contribute to performance efficiency. Each model is designed to be user-friendly, with easy installation processes that make them accessible for both novice and experienced audio enthusiasts. The durable builds combined with high power handling make these speakers not only robust but also a great investment for any car audio setup. Pyramid Car Audio continues to offer solutions that resonate with consumers seeking powerful, clear, and reliable sound experiences on the go.