Towards the end of last year, MidiLand released a revised version of their S4 7100 surround sound system, touted as the S4 7100 Plus. The primary change to the system is the addition of a Dolby Digital decoder that replaces the external control box that had been included with the original system. The original system required the user to already have the capabilities to decode the surround info, such as with a 5.1 channel sound card; now, it is offered as a complete package that will provide full Dolby Digital right out of the box.

Now that the system is a full package, it’s worth taking another look at. The subwoofer has changed some, as all of the audio processing (including crossover) is now in the decoder box. The system includes the decoder, remote, sub, five identical satellites, and cabling for the system. MidiLand has moved away from the small control module that could be mounted in a drive bay and was included with the older system. Here’s what MidiLand says about their system:

Specifications (Courtesy of MidiLand)

Frequency Response

250 Hz to 20 kHz (+/- 3dB Satellite)
20 Hz to 250 Hz (+/- 3dB Subwoofer)

Amplifier Type

Class A/B Hybrid-Monolithic Design, UL 94V-0 Spec Printed Circuit Boards,

Design Features

Redundant Protection Circuits (Thermal, Short-Circuit, Under/Over Voltage), Gold-Plated Inputs, Mute/Power Circuits

Amplifier Power

100 Watts RMS (l x 50 Watts, 5 x 10 Watts)

S/N Ratio

55 dB

Input Impedance

10k ohm

Maximum Input

8V

System Inputs

Gold-Plated RCA jack

System Outputs

5 Channel Terminal; Left and Right Satellite Speaker via Push Terminal

Subwoofer

165mm Poly Laminated Paper Cone with 25mm OFC Voice Coil on TSV Composite Former, Shielded Magnet Structure

Subwoofer Enclosure

Rigidly-braced MDF (Wood), Computer-Optimized Front-Firing Vented Design (13.40"H x 8.70"W x 13.50"D) with Turbulence-Free Port and Non-Removable Fabric Grille

Satellite Speakers

65mm Computer-Optimized Wideband Paper Cone Drivers, Large Speaker Magnet Structures (inherent magnetic shielding)

Satellite Enclosures

Two-Piece Molded, Dual-Slope Ellipsoidal Acoustic Suspension Design, (3.90"H x 3.30"W x 4.20"D) Embedded ¼"-20 Threaded Inserts (for optional mounting brackets) and decorative cloth grilles

Crossover Frequency

250 Hz

Audio Digital Station

Integrated AC-3 Decoding Unit with Full Funcitonal Wireless Remote Control for(2.40" H x 7.10" W x 5.30" D) Major System Functions- Power, Test, Mute, and Mode

Setup

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