DESIGN FEATURES

Power

Connections

Connections

1.LED Power Indicator (Top of unit) – The LED illuminates when the unit is turned on.

2.REM Terminal – This spade terminal is used to remotely turn-on and turn-off the amplifier when +12V DC is applied.

3.Power Terminals – The power and ground connectors on the amplifier are platinum-plated and will accommodate up to 8 AWG wire maximizing the input current capability of the amplifier.

4.Cast Aluminum Heatsink – The cast aluminum heatsink of the Punch amplifier dissipates heat generated by the amplifier's circuitry. The inherent advantage of casting provides a 30% improvement of cooling over conventional extrusion heatsink designs.

5.Punch Bass – Helps correct for acoustical deficiencies in the listening environment by helping produce full range sound without adding excessive boost. The Punch Bass control is a narrow band adjustment at 45Hz variable from 0dB to + 18dB. Connection is made with a cable using RJ-45 and can be installed under the dash for remote control access.

6.Variable Crossover – Is a built-in 12dB/octave Butterworth filter selectable for High-Pass (HP), All Pass (AP), or Low-Pass (LP) operation variable from 50Hz to 250Hz.

7.Gain Control – The input gain control is preset to match the output of most source units. It can be adjusted to match output levels from a variety of source units.

8.RCA Input Jacks – The industry standard RCA jacks provide an easy connection for signal level input. They are platinum-plated to resist the signal degradation caused by corrosion.

9.High Level Inputs – The high level inputs use a detachable connector terminated with 20 AWG leads. These inputs should be used if the source unit has only speaker line (high level) outputs and not RCA outputs.

10.Speaker Terminals – These platinum-plated connectors are immune to corrosion that can cause signal deterioration. These heavy duty, platinum-plated terminal block connectors (+ and –) will accept wire sizes from 8 AWG to 18 AWG.

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Rockford Fosgate 301SP, 401SP manual Design Features, Power Connections
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401SP, 301SP specifications

Rockford Fosgate is a name synonymous with high-performance audio equipment, particularly in the automotive sound system market. Among their impressive lineup, the Rockford Fosgate 401SP and 301SP represent excellent choices for car audio enthusiasts looking to enhance their in-car audio experience.

The Rockford Fosgate 401SP is a powerful 4-inch speaker designed to deliver exceptional sound quality. Built with a flex-fit basket design, it enables easy installation in a variety of vehicles, accommodating various mounting locations. One of its standout features is the high-temperature voice coil that can withstand intense heat, ensuring reliability and performance even under demanding conditions. Coupled with a durable polypropylene cone and butyl rubber surround, the 401SP produces clear and balanced audio across a wide frequency range. This speaker is also equipped with a high-efficiency design, allowing it to generate maximum output with minimal power input, making it suitable for systems running on less power.

On the other hand, the Rockford Fosgate 301SP is designed to cater to users seeking a cost-effective yet high-quality audio solution. This 3-inch speaker fits snugly in tighter spaces while still delivering impressive sound performance. Its weather-resistant design makes it ideal for various environments, ensuring that it can withstand elements such as moisture and UV rays. Like its bigger counterpart, the 301SP utilizes a polypropylene cone and rubber surround, ensuring durability and longevity. Additionally, it features a high-performance voice coil that provides efficient power handling, enabling it to reproduce dynamic sounds with clarity.

Both models incorporate Rockford Fosgate’s advanced engineering technologies, including their unique speaker design that enhances sound stage and imaging. Furthermore, the speakers are optimized for use with amplifiers, allowing users to experience deeper bass and crisper highs when integrated into a full audio system. The combination of these features results in an audio experience that stands out for its quality, depth, and clarity.

In conclusion, both the Rockford Fosgate 401SP and 301SP offer unique advantages tailored to different user needs. Whether you prioritize power and depth with the 401SP or seek a compact solution with excellent quality in the 301SP, Rockford Fosgate continues to deliver top-notch audio products that elevate any car's sound system.
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