---
product_id: 507925783
title: "Subwoofer, Black, R-121Sw"
brand: "klipsch"
price: "¥249914"
currency: JPY
in_stock: true
reviews_count: 7
url: https://www.desertcart.jp/products/507925783-subwoofer-black-r-121sw
store_origin: JP
region: Japan
---

# All-digital amplifier for max power 12" high-performance driver Low pass crossover & phase control Subwoofer, Black, R-121Sw

**Brand:** klipsch
**Price:** ¥249914
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your soundscape with bass that commands attention!

## Quick Answers

- **What is this?** Subwoofer, Black, R-121Sw by klipsch
- **How much does it cost?** ¥249914 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/507925783-subwoofer-black-r-121sw)

## Best For

- klipsch enthusiasts

## Why This Product

- Trusted klipsch brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Durable Design:** Modern black cabinet crafted for style and resilience, fitting effortlessly into any professional or home setup.
- • **Deep, Room-Filling Bass:** 12-inch spun-copper woofer delivers powerful, distortion-free low frequencies that transform your space.
- • **Universal Compatibility:** Line/LFE inputs work flawlessly with any home theater receiver, making upgrades effortless.
- • **Seamless Audio Integration:** Low pass crossover and phase controls let you perfectly blend bass with your existing Klipsch or other speakers.
- • **Precision Power Amplification:** Built-in all-digital amp ensures crystal-clear, true-to-source sound with unmatched efficiency.

## Overview

The Klipsch R-121Sw subwoofer features a 12-inch spun-copper woofer powered by an all-digital amplifier, delivering deep, distortion-free bass with precise control. Its sleek, durable cabinet and versatile connectivity options make it an ideal upgrade for medium to large rooms, seamlessly integrating with any home theater system.

## Description

Subwoofer

Review: Excellent product - This subwoofer well suited for room of medium to large size and goes well with klipsch and other tower or bookshelf speakers .
Review: Damaged unit - Do not buy this specific subwoofer. It is damaged.

## Features

- NEW TECH | CLEANER BASS Revamped spun-copper thermoformed crystalline polymer woofers make the latest Reference subwoofers exceptionally light while providing low frequency response, minimal cone breakup, and degradation-free distortion.
- ALL-DIGITAL AMPLIFIER The built-in, all-digital amplifier delivers ample power with high efficiency and true-to-source accuracy in reproduction, ensuring maximum efficiency for best-in-class output, detail, and power.
- FRONT-FIRING DRIVER The high-performance 12" driver provides deep bass and flexible room placement.
- HIGHLY DURABLE & VERSATILE CABINET DESIGN A stylish aesthetic with unrivaled durability that results in a seamless integration into any décor, Reference Subwoofers feature
- LOW PASS CROSSOVER AND PHASE CONTROL Ensures the subwoofer's low-frequency tones blend with other Klipsch speakers and establish your ideal level of bass.
- LINE/LFE INPUTS Reference subwoofers are compatible with your home theater receiver, no matter the make and model.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5RMLFF4 |
| Best Sellers Rank | #108,028 in Electronics ( See Top 100 in Electronics ) #88 in Home Audio Subwoofers |
| Color | Black |
| Colour | Black |
| Compatible devices | Television |
| Control method | Remote |
| Customer Reviews | 4.2 4.2 out of 5 stars (55) |
| Date First Available | 30 January 2023 |
| Included components | Subwoofer, Remote, Corded Electric |
| Is waterproof | False |
| Item Weight | 15 Kilograms |
| Item model number | 1016571 |
| Item weight | 15 Kilograms |
| Material | crystal |
| Model name | R-121SW |
| Mounting type | Tabletop Mount |
| Number of Items | 1 |
| Other display features | Wireless |
| Power source | Corded Electric |
| Product dimensions | 50D x 40.6W x 42H centimeters |
| Recommended uses for product | for surround sound systems |
| Speaker size | 12 Inches |
| Speaker type | Subwoofer |
| Special features | Hi Res Audio |
| Subwoofer diameter | 12 Inches |
| Surround sound channel configuration | 5.1 |
| Warranty type | 1 |

## Product Details

- **Audio output mode:** Surround
- **Brand:** Klipsch
- **Connectivity technology:** HDMI
- **Frequency response:** 120 Hz
- **Speaker maximum output power:** 400 Watts

## Images

![Subwoofer, Black, R-121Sw - Image 1](https://m.media-amazon.com/images/I/61aTuiIZbwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product
*by C***D on 14 October 2024*

This subwoofer well suited for room of medium to large size and goes well with klipsch and other tower or bookshelf speakers .

### ⭐ Damaged unit
*by S***H on 12 September 2025*

Do not buy this specific subwoofer. It is damaged.

### ⭐⭐⭐⭐⭐ Review
*by R***I on 6 February 2026*

Accoppiato a due diffusori a torre Sonetto 8 ,una settato volume e crossover si abbina perfettamente, rende l immagine sonora più profonda e i bassi sono più incisivi .

## Frequently Bought Together

- Klipsch R-121SW, 12'' Subwoofer
- Amazon Basics 1 RCA Audio Cable for Subwoofer, Amplifiers, Active Speakers with Gold-Plated Plugs, Black, 2.44 m
- Goaycer 4mm Banana Plugs - 24K Gold Plated Bannan Plug Speaker Connectors 6 Pairs / 12 pcs

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**Shop now:** [https://www.desertcart.jp/products/507925783-subwoofer-black-r-121sw](https://www.desertcart.jp/products/507925783-subwoofer-black-r-121sw)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-01*